1.
Write an equation you could use to find the length of the missing side of the right triangle.
A.
7
2
= 22
2
+
b
2
B.
b
2
= 22
2
- 7
2
C.
22
2
= 7
2
-
b
2
D.
b
2
= 22
2
+ 7
2
Hint
2.
A triangle has sides 5 inches, 7 inches, and 10 inches. Is this a right triangle? Why?
A.
No, because 5 + 7
10.
B.
Yes, because 5 + 7 > 10.
C.
No, because 5
2
+ 7
2
10
2
.
D.
Yes, because 5
2
+ 7
2
= 10
2
.
Hint
3.
In a right triangle,
a
= 14.2 cm and
b
= 13.9 cm. Find
c
. Round to the nearest tenth.
A.
c
= 14.1 cm
B.
c
= 0.3 cm
C.
c
= 2.9 cm
D.
c
= 19.9 cm
Hint
4.
In a right triangle,
b
= 7.1 units and
c
= 11.3 units. Find
a
. Round to the nearest tenth.
A.
a
= 8.8 units
B.
a
= 13.3 units
C.
a
= 4.2 units
D.
a
= 8.4 units
Hint
5.
A guy wire is attached to a pole. It is anchored to the ground 5 feet from the base of the pole. If the wire is 18 feet long, how high is the wire attached to the pole?
A.
18.7 feet
B.
16.8 feet
C.
13 feet
D.
17.3 feet
Hint