Question 1

What type of triangle is that?

Accepted Answer

equilateral triangle

Answer

isosceles triangle

Answer

scalene triangle

Answer

acute triangle

Question 2

What type of angle is that triangle?

Accepted Answer

acute

Answer

don't know

Answer

right

Answer

obtuse

Question 3

What is the sum of the three angles?

Accepted Answer

180 degrees

Answer

108 degrees

Answer

360 degrees

Question 4

If the green angle is the right angle, what is the value of the blue angle?

Accepted Answer

47.29 degrees

Answer

47.92 degrees

Answer

45 degrees

Answer

no answer

Question 5

What is the value for angle C?

Accepted Answer

53.47 degrees

Answer

57.43 degrees

Answer

54.74 degrees

Answer

43.57 degrees

Question 6

How to calculate to get the value of angle C?

Accepted Answer

180 degrees - (angle A + angle B)

Answer

angle C - (angle A + angle B) = 180  degrees

Answer

(180 degrees + angle C) - angle  B - angle A

Question 7

What is the value of the red angle?

Accepted Answer

43.54 degrees

Answer

no answer above

Answer

45.43 degrees

Answer

44.53 degrees

Question 8

The diagram shows an isosceles triangle. What is the value of the purple angle?

Accepted Answer

130.16 degrees

Answer

279.68 degrees

Answer

99.68 degrees

Question 9

Find the value for the blue angle

Accepted Answer

43.8 degrees + 86.22 degrees

Answer

180 degrees - 86.22 degrees

Answer

180 degrees - 43.8 degrees

Answer

no answer

Question 10

BONUS QUESTION (Textbook, page 210): The orange triangle is an isosceles triangle. Calculate the value of the green angle

Accepted Answer

132.85 degrees

Answer

132.8 degrees

Answer

132.9 degrees

Answer

133 degrees

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