Question 1

Find the perimeter of a regular octagon with a side length of 5cm.

Accepted Answer

40cm

Question 2

If two angles of a triangle are 50° and 70°, what is the third angle?

Accepted Answer

60°

Question 3

Solve for the sum of interior angles of a 12-sided polygon.

Accepted Answer

1800°

Question 4

What is the measure of each exterior angle of a regular pentagon?

Accepted Answer

72°

Question 5

If an interior angle is 130°, find the measure of its adjacent exterior angle.

Accepted Answer

50°

Question 6

How many sides does a polygon have if the sum of its interior angles is 900°?

Accepted Answer

7

Question 7

Find the measure of each interior angle of a regular 15-sided polygon.

Accepted Answer

156°

Question 8

If an exterior angle is 40°, find the number of sides of the regular polygon.

Accepted Answer

9

Question 9

A P1,000 item is on sale for P800. What is the percentage decrease?

Accepted Answer

20%

Question 10

Calculate 15% of P5,000.

Accepted Answer

P750

Question 11

If a P200 item increases in price by 10%, what is the new price?

Accepted Answer

P220

Question 12

Find the simple interest on P10,000 at 5% for one year.

Accepted Answer

P500

Question 13

A real estate agent gets a 3% commission on a P1,000,000 sale. How much is the commission?

Accepted Answer

P30,000

Question 14

What is the total price of a P500 shirt with a 12% sales tax added?

Accepted Answer

P560

Question 15

If a population of 500 increases to 600, what is the percentage increase?

Accepted Answer

20%

Question 16

A P1,200 bag is discounted by 25%. How much is the discount?

Accepted Answer

P300

Question 17

Find the new price of the bag in item #60.

Accepted Answer

P900

Question 18

Calculate the simple interest on P2,000 at 4% for 2 years.

Accepted Answer

P160

Question 19

If an interior angle of a regular polygon is 144°, find its exterior angle.

Accepted Answer

36°

Question 20

Determine the sum of the exterior angles of a 20-sided convex polygon.

Accepted Answer

360°

Question 21

If a regular polygon has 18 sides, what is the measure of each exterior angle?

Accepted Answer

20°

Question 22

Find the percentage decrease if a value drops from 50 to 40.

Accepted Answer

20%

Question 23

Solve for the original price if a 10% tax added P50 to the cost.

Accepted Answer

P450

Question 24

Calculate the total amount to be paid for a P15,000 loan with 6% simple interest after 1 year.

Accepted Answer

P15,900

Question 25

Find the measure of the fourth angle of a quadrilateral if the first three are 80°, 100°, and 90°.

Accepted Answer

90°

Question 26

A hexagon has a perimeter of 42cm. If it is regular, what is the length of one side?

Accepted Answer

7cm

Question 27

What is 0.5% of 10,000?

Accepted Answer

50

Question 28

The sum of an interior and exterior angle at the same vertex is always ___________.

Accepted Answer

180°

Question 29

A polygon with all sides equal but unequal angles is called an ______ polygon.

Accepted Answer

equilateral

Question 30

As the number of sides in a regular polygon increases, the measure of each exterior angle ______.

Accepted Answer

decreases

Question 31

To find the sum of interior angles, you multiply (n-2) by ______.

Accepted Answer

180°

Question 32

Two angles that form a linear pair are ______.

Accepted Answer

supplementary

Question 33

The vertical angle of a 45° angle measures ______.

Accepted Answer

45°

Question 34

If the interior angle sum is 1800°, the polygon has ______ sides.

Accepted Answer

12

Question 35

A ______ polygon has at least one diagonal that passes outside the shape.

Accepted Answer

concave

Question 36

The commission is calculated by multiplying the total sales by the ______.

Accepted Answer

commission rate

Question 37

To find the percentage increase, you divide the amount of increase by the ______.

Accepted Answer

original

Question 38

Sales tax is an ______ to the original price of an item.

Accepted Answer

addition

Question 39

Discount is a ______ from the original price of an item.

Accepted Answer

deduction

Question 40

Simple interest formula is I = P x R x ______.

Accepted Answer

T

Question 41

In a regular polygon, all ______ are congruent.

Accepted Answer

sides

Question 42

A triangle cannot have more than one ______ angle.

Accepted Answer

right

Question 43

The sum of the interior angles of a pentagon is ______.

Accepted Answer

540°

Question 44

If a regular polygon has an exterior angle of 60°, it is a ______.

Accepted Answer

hexagon

Question 45

A price change from P100 to P150 is a ______ percent increase.

Accepted Answer

50%

Question 46

Complementary angles sum up to ______ degrees.

Accepted Answer

90

Question 47

The exterior angle of a regular decagon is ______ degrees.

Accepted Answer

36

Question 48

A square is a regular ______.

Accepted Answer

polygon

Question 49

The longest side of a right triangle is the ______.

Accepted Answer

hypotenuse

Question 50

Is it possible for a triangle to have angles of 90°, 90°, and 10°? Explain why or why not.

Accepted Answer

No, the sum of angles in a triangle is always 180° (90° + 90° + 10° = 190°).

Question 51

Which is a better deal: a P500 discount on a P2,000 item or a 20% discount on the same item?

Accepted Answer

The 20% discount is better. P500 is 25% of P2,000, while the other is 20%.

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