1.
In a 30º-60º right triangle which statement is true?
A.
None of these is correct.
B.
The length of the hypotenuse is three times the length of the side opposite the 30º angle.
C.
The length of the side opposite the 30º angle is half the length of the hypotenuse.
D.
The sides are equal.
Hint
2.
Find the length of
a
.
A.
6 feet
B.
12 feet
C.
27.7 feet
D.
48 feet
Hint
3.
In a 45º-45º right triangle, which statement is true?
A.
The legs are equal.
B.
The length of the side opposite the 45º angle is one-third the length of the hypotenuse.
C.
None of these is correct.
D.
The length of the hypotenuse is twice the length of the side opposite the 45º angle.
Hint
4.
What is the perimeter of a 30°, 60°, 90° triangle with a hypotenuse of 20 cm?
A.
94.6 cm
B.
52.1 cm
C.
38.9 cm
D.
47.3 cm
Hint
5.
What is the perimeter of a 45°, 45°, 90° triangle with a leg of 6.3 m?
A.
18.9 m
B.
21.5 m
C.
15.8 m
D.
25.2 m
Hint