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Right Triangles

Authored by Robert Tinaro

Mathematics

9th - 10th Grade

CCSS covered

Used 65+ times

Right Triangles
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A triangle has side lengths:
20, 21, 29.  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

right
acute
obtuse

Tags

CCSS.4.G.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A triangle has side lengths:
5, 8, 6.  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

right
acute
obtuse

Tags

CCSS.4.G.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A triangle has side lengths:
8, 8√3, 16  .  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

right
acute
obtuse

Tags

CCSS.HSG.CO.C.10

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

25 feet
26 feet
27 feet
28 feet

Tags

CCSS.8.G.B.8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

Multiply that leg by 2
Use the same length for the second leg
Multiply that leg by √2
Divide that leg by √2

Tags

CCSS.8.G.B.8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

It is the same length as the given leg.
Multiply that leg's length by √2.
Multiply that leg's length by 2.
Divide that leg's length by √2.

Tags

CCSS.8.G.B.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

Multiply 4 by 2
Multiply 4 by √3
Multiply 4 by √2
Divide 4 by 2

Tags

CCSS.HSG.SRT.C.8

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