AnswersELPGEQ1 MJ Grade 8 Pre-Algebra - 1205070 HCPS V24Finding the Hypotenuse in Right Triangles

Unknown Leg Lengths in Right Triangles Answers

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1
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Which equation can be used to find the missing leg in the triangle?

A
a2 + 202 = 162
B
202 + 162 = a2
C
a2 + 162 =202
D
16 + a2 = 20
2
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What measures represent each variable of the Pythagorean theorem, if b is the unknown length?a =

A
7
B
15
C
22
D
37
3

c =

A
7
B
15
C
22
D
37
4

What is the approximate length of b, rounding to the nearest hundredth?

A
3.74 feet
B
8.60 feet
C
16.09 feet
D
26.63 feet
5

Use the equation to find the length of the missing leg measure. 1. Evaluate powers: 2. Undo addition: 3. Undo the square: What is the length of the missing leg measure?a = units

Question illustration
Answer not available
6

In which step did Shawna make an error?

A
Step 1. She incorrectly applied the Pythagorean theorem.
B
Step 2. She incorrectly squared the numbers.
C
Step 3. She incorrectly isolated a2
D
Step 4. She incorrectly solved for a.
7

What is the length of the missing leg?

A
6 ft
B
7 ft
C
ft
Option C
D
ft
Option D
8

Which right triangle’s unknown leg measure is units? Assume the given length are in the same unit of measure.

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

The stair is inches high.

Answer:

12

10

Sam found a tent in his garage, and he needs to find the center height. The sides are both 5 feet long, and the bottom is 6 feet wide. What is the center height of Sam’s tent, to the nearest tenth?

A
3 feet
B
4 feet
C
5.5 feet
D
7.8 feet
11

Question text not available

Answers:
Selection 1:Leg, distance from the wall to the base of the ladder.
Selection 2:15
Selection 3:22
Selection 4:16.09 feet
12

A ladder that is 22 feet long is propped up against a 15-foot-tall building. Use the drop downs to answer the following questions.What is the unknown information that could be found using the Pythagorean theorem?

A
Hypotenuse, the length of the ladder.
B
Leg, distance from the wall to the base of the ladder.
C
Leg, height of the building.

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