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kifflom [539]
3 years ago
5

Suppose the radius of a circle is 7. What is its area?

Mathematics
1 answer:
IRISSAK [1]3 years ago
7 0
Answer=153.9 (when you round to the nearest tenth)

Area=π r²
Area=π 7²
Area=π*49
Area=<span>153.938040026
</span>round to the nearest tenth...
Area=153.9

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There are 2 more angles. m angle 7 and m angle 8
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ANSWER:

A and B aren't parallel lines, as the alternate angles aren't equivalent to each other.

For m angle 1 -

Vertically opposite angles are equivalent to each other.

m angle 1 is vertically opposite m angle 4.

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m angle 4 = 100

m angle 1 = m angle 4

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For m angle 6 -

Co-interior angles add up to 180°.

m angle 4 and m angle 6 are co-interior angles.

Therefore:

m angle 4 = 100

m angle 4 + m angle 6 = 180

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m angle 6 = 180 - 100

m angle 6 = 80

For m angle 7 -

Vertically opposite angles are equivalent to each other.

m angle 6 is vertically opposite m angle 7.

Therefore:

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m angle 7 = m angle 6

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For m angle 8 -

Corresponding angles are equivalent to each other.

m angle 8 and m angle 4 are corresponding angles.

Therefore:

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