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valentinak56 [21]
3 years ago
13

The radius of a circle is 2 inches. What is the area of a sector bounded by a 45° arc?

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

Area = angle / 360 * pi * r^2

angle = 45

r = 2

pi = 3.14

Area = 45 / 360 * 3.14 * 2^2

Area = 365.2 / 360

Area = 1.57 square inches.

schepotkina [342]3 years ago
4 0

Answer:

a = π/2 in²   Exact answer

a = 1.5707963268  in²     Decimal approximation

Step-by-step explanation:

a = (∅/360) * πr²

a = (45/360) * π(4)

a = π/2 in²   Exact answer

a = 1.5707963268  in²     decimal approximation

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For which value of x is line l parallel to line m?<br><br>A. 28<br>B. 62<br>C. 22<br>D. 68​
Rudiy27

For line l parallel to line m, the interior angles on the same side of the transversal should add upto 180° or in better words, they must be supplementary.

So, we can write that,

(2x + 6)° and 130° are supplementary.

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The value of x for which line l is parallel to line m,

\large{ \boxed{ \bf{ \red{x = 22 \degree}}}}

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3 years ago
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Answer:

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Step-by-step explanation:

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All acute angle

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Using angle sum property

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