3 years ago

What is the value of x?

Mathematics

1 answer:

Alex777 [14]3 years ago

7 0

Answer:

D. 30°

Step-by-step explanation:

By exterior angle theorem:

x° + 70° = 100°

x° = 100° - 70°

x° = 30°

x = 30

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4 years ago

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Answer:

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Step-by-step explanation:

Given

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First, it should be noted that the displayed figure is a trapezium

The area of a trapezium is calculated by multiplying the sum of parallel sides by half its height;

In this case;

$Area = \frac{HG + EF}{2} * HE$

Substitute the values of Area, HE and EF

$68 = \frac{HG + 12}{2} * 8$

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Divide both sides by 4

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3 years ago

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