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goldfiish [28.3K]
3 years ago
12

Help me with these please

Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0
8) Area of a triangle equals 1/2 times base times height. The height in this case is 17, and the base is 74. 
1/2 x 17 x 74 = 1/2 x 1258 = 629
Final answer: 629 ft^{2}

9)Area of a parallelogram equals base times height. Multiply 471.5 by 21.3. 
The final answer should be 10042.95
Final answer: 10042.95 
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Can someone help me with this please?
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Answer:

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Since the two triangles are similar, we know that all of the corresponding angles must be the same.  On the triangle on the left, we can see that the angle formed between sides AB and AC is 60°.  This means that the same angle is formed at Z, which is in the same location on the triangle to the right.  From there, we can find the missing angle, W, from the difference of 180°.

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