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

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

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

The size of a television screen is measured by the length of the diagonal of the screen.  What size is a television screen that is 3 feet tall and 6 feet wide?

• 18
• 6.7

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

A piece of paper that Brittany has is 11 inches tall and 8 inches wide. She draws a straight line diagonally across the paper. How long is the line she drew?

• 7.5 in
• 12.4 in
• 13.6 in 
• 14.3 in

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

Which set of side lengths form a right triangle?

• 3, 4, 7
• 33, 56, 65
• 66, 72, 97
• 10, 15, 25

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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

Tags

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

you ADD a² and c² then take the square root to find b on a right triangle.

• true
• false

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

From ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite

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

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

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

What are u and v in this 30-60-90 triangle?

• v = 2√3 u = 6
• v = 4 u = 4√3
• v = 4 u = 4√2
• v = 4√3 u = 8√3

Tags

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