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NISA [10]
3 years ago
12

Solve for the measure of angle 7

Mathematics
1 answer:
Verdich [7]3 years ago
7 0

Answer:

7 is 35°

Step-by-step explanation:

The measure of an exterior angle is equal to the sum of opposite interior angles.

So 4x - 80 = x + x - 10

4x - 2x = 80 - 10

2x = 70 , x = 35°

Hence 7 is 35°

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1. To solve this exercise, you must apply the formula for calculate the area of a trapezoid, which is shown below:
<span> 
 A=(b1+b2/2)h
</span><span> 
 A is the area of the trapezoid.
</span><span> b1 is the larger base of the trapezoid (b1=16-4=12 ft).
</span><span> b2 is the smaller base of the trapezoid (b2=10-4=6 ft).
</span><span> h is the height of the trapezoid (h=12-4=8 ft)
</span><span> 
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</span><span> 
 A=(b1+b2/2)h
</span><span> A=(12 ft+6 ft/2)(8 ft)
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</span><span> 
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