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Question #1

https://static.k12.com/nextgen_media/assets/8114732-NG_GMT_Q_01_U11_Quiz_DP100_1079_001.jpg

What is the area of this triangle?

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

 

Question #2

https://static.k12.com/nextgen_media/assets/8097048-NG_GMT_Q_01_U11_Quiz_11.png

The figure shows the dimensions of the side panel of a skateboard ramp.

What is the area of this panel?

 

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

 

Question #3

A triangular rug has sides that are 5 ft and 4 ft long with an included angle of 79°.

What is the area of this rug?

 

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

 

Question #4

https://static.k12.com/nextgen_media/assets/8097018-NG_GMT_Q_01_U11_Quiz_07.png

What is the area of △ABC?

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

sillygirl77  Apr 30, 2018
 #1
avatar+87323 
+1

1.

Area  =   (1/2) (14.2) (8) sin (99° )   ≈   56.1 in^2

 

2.

Area  =  (1/2) (14) (12) sin (20°)  ≈  28.7 ft^2

 

3.

Area   = (1/2)(5) (4)sin(79°)  ≈ 9.8 ft^2

 

4. 

Area  =   (1/2) (40)(25) sin (80 ° )  =  492.4 m^2 

 

 

cool cool cool

CPhill  Apr 30, 2018

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