CCSS.Math.Content.8.G.B.7

Which equation can be used to solve the word problem: the diagonal of a t.v. is 40 inches and the height is 30.  How wide is the t.v.?

• 30²  + 40² = c²
• a²  + 40² = 30²
• 30²  + b² = 40²
• 40²  + 30² = c²

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CCSS.Math.Content.8.G.B.7

A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?

• 111.8 yards
• 115 yards
• 127.3 yards
• 119 yards

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CCSS.Math.Content.8.G.B.7

The foot of a ladder is placed 15 feet from the wall.  If the top of the ladder rests 20 feet up on the wall, how long is the ladder?

• 25
• 13.2

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CCSS.Math.Content.8.G.B.7

Find the length of the missing side. 

• 25 cm
• 42 cm
• 52 cm
• 48 cm

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CCSS.Math.Content.7.G.B.6

CCSS.Math.Content.8.G.B.7

Which set of side lengths does not form a right triangle?

• 38, 80, 89
• 16, 63, 65
• 36, 77, 85
• 14, 15, 29

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CCSS.Math.Content.8.G.B.7

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch. 

• 4.1 inches
• 3.9 inches
• 22.7 inches 
• 0.7 inches 

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CCSS.Math.Content.8.G.B.7

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

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CCSS.Math.Content.8.G.B.7

you ADD a² and b² then take the square root to find c on a right triangle.

• true
• false

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CCSS.Math.Content.8.G.B.7

solve for c

• 7

• 9

• 4

• 13

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CCSS.Math.Content.8.G.B.7

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

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

Tags

CCSS.Math.Content.8.G.B.7