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Area of Triangles 11.1B

Last updated almost 2 years ago

10 questions

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Question 1

1.

Question 2

2.

Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

10.

Find the area of this triangle. 

Hint: The base length of this triangle is 5in. The height of this triangle is 8 in. 
You will multiply the base by the height. Then divide by 2. Don't forget the divinding by 2 part. 

20 in²

40 in²

5 in²

80 in²

 What is the area of this triangle?

You will have to use Pythagorean Theorem to find the height of this triangle. 

12² + x² = 20²

220 mm²

340 mm²

180 mm²

240 mm²

Find the area of this triangle. 

189.5 mm²

149.5 mm²

119.5 mm²

137.5 mm²

Find the area of this triangle. 

You are going to have to use Pythagorean Theorem to find the height. 

259.9 m²

129.9 m²

189.9 m²

149.9 m²

Find the area of this triangle. 

144.5 in²

138.5 in²

154.5 in²

134.5 in²

Find the area and perimeter of this triangle.

You will have to do Pythagorean Theorem twice in this problem for the perimeter.

A = 212.5 cm², P = 57 cm

A = 218.5 cm², P = 71.13 cm

A = 212.5 cm², P = 91.13 cm

A = 212.5 cm², P = 81.13 cm

Find the area of this triangle. 

440 in²

240 in²

120 in²

140 in²

Find the perimeter of this triangle. 

26.8 ft

14.8 ft

36.8 ft

16.8 ft

Find the area of this triangle. 

18 mi²

16 mi²

24 mi²

36 mi²

Find the area of this triangle. 

12.75 km²

9.5 km²

5.75 km²

4.75 km²