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GenaCL600 [577]
3 years ago
8

A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of

the sidewalk is 155 ft2, what is its width?

Mathematics
2 answers:
Bond [772]3 years ago
8 0

the answer is 2.5 feet                                              .

Slav-nsk [51]3 years ago
4 0
The width of sidewalk is 2.5 ft.

The solving method as attached image

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Two angles are complementary. The measure of the largest angle is two times the measure of the smaller angle. What is the measur
skelet666 [1.2K]
An complementary angle = 90°

one of the angles is twice as large as the smaller one

let the larger angle be x, and the smaller = y

x = 2(y)
x + y = 90

Plug in 2y for x

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simplify, combine like terms

2y + y = 90

3y = 90

isolate the y, divide 3 from both sides

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y = 30

plug in 30 for y in the equation x + y = 90

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x + 30 (-30) = 90 (-30)

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hope this helps
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nevsk [136]

Answer:

m<H = 62°

Step-by-step explanation:

If FG is congruent to HF, it means their opposite angles are also congruent to each other. This implies that, <H = <G. Thus, ∆FGH is an isosceles triangle with base angles <F and <G.

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