NEW
Font size
S
M
L
XL
WorksheetsComplementary Angles: Sine & Cosine (part 1)
Total questions: 9
Worksheet time: 7mins
Name
Class
Date
1.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
2.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
3.
If cos α = sin β, what must be true about α and β?
a)
α and β are complementary angles
b)
α and β are congruent angles
c)
α and β are right angles
d)
α and β are supplementary angles
4.
What is the complement to: cos 40⁰ = ?
a)
sin 50⁰
b)
cos 50⁰
c)
tan 50⁰
d)
sin 40⁰
5.
What is the complement to: sin 20⁰ = ?
a)
cos 70⁰
b)
sin 70⁰
c)
cos 20⁰
d)
tan 20⁰
6.
What is the complement to: cos 38⁰ = ?
a)
sin 62⁰
b)
sin 52⁰
c)
cos 52⁰
d)
sin 38⁰
7.
What is the complement to: sin 1⁰ = ?
a)
cos 89⁰
b)
cos 1⁰
c)
sin 89⁰
d)
tan 1⁰
8.
What is the supplement angle to 45°?
a)
45°
b)
180°
c)
135°
d)
100°
9.
What is the complement angle to 12°?
a)
78°
b)
68°
c)
168°
d)
90°
Reset
