Q4 - 3RD SUMMATIVE TEST | Quizalize

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Q4 - 3RD SUMMATIVE TEST

Quiz by Maria Resureccion M. Borja

Grade 9

Mathematics

Philippines Curriculum: Grades K-10 (MELC)

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Q 1/10
Score 0
Which of the following summarizes the law of sines?
29

$bcSinA\ =\ acSinB\ =\ abSinC$
$a\ Sin\ A\ =\ b\ Sin\ B\ =\ c\ Sin\ C$
$\sin\ A\ =\ Sin\ \ B\ =\ Sin\ C$
$\frac{a}{Sin\ A}=\frac{b}{Sin\ B}=\frac{c}{Sin\ C}$

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10 questions

Show answers

Q1
Which of the following summarizes the law of sines?
$bcSinA\ =\ acSinB\ =\ abSinC$
$a\ Sin\ A\ =\ b\ Sin\ B\ =\ c\ Sin\ C$
$\sin\ A\ =\ Sin\ \ B\ =\ Sin\ C$
$\frac{a}{Sin\ A}=\frac{b}{Sin\ B}=\frac{c}{Sin\ C}$
60s
Q2
The acute angle that has the same sine value as 130° is:
$20\degree$
$30\degree$
$50\degree$
$40\degree$
60s
Q3
To be able to use the sine rule in a triangle, we must always know:
two angles
one angle and one side
one angle and the length of its opposite side
two sides
60s
Q4
What are the two angles that have the same sine value?
50⁰ and 150⁰
40⁰ and 130⁰
40⁰ and 140⁰
20⁰ and 120⁰
120s
Q5
With respect to the given angle, what is the ratio of the opposite side to the hypotenuse?
Sine
cosecant
tangent
cosine
60s
Q6
Evaluate Sine 90⁰
0
1
.5
2
60s
Q7
In the triangle DEF, what is the measure of angle E to the nearest degree
$17\degree$
$20\degree$
$18\degree$
$19\degree$
300s
Q8
Using the law of cosine, which formula is to be used?
a²=a²+c² -2bc (cos A)
a=b²+c² -2bc² (cos C)
a=b²+c² -2bc(cos A)
a²=b²+c²-2bc (cos A)
60s
Q9
In aright triangle, with respect to the given angle, what is the ratio of the adjacent side to the hypotenuse?
secant
tangent
cosine
sine
60s
Q10
What are the two kinds of oblique triangle?
obtuse only
right and acute
acute and obtuse
acute only
60s