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melomori [17]
3 years ago
10

Find the area and the perimeter of the shaded region

Mathematics
1 answer:
lyudmila [28]3 years ago
8 0

Answer:

area: 41.04 cm² ; perimeter 35.8 cm

Step-by-step explanation:

Perimeter of shaded area = 1/4 perimeter of circle + line AC = ¼ * 3.14 * 2 * 12 + √(12² + 12²) = 18.84 + 12√2 cm = 35.8 cm

Area of Shaded Region = 1/4 area of circle - area of triangle = ¼ * 3.14 * 12² - ½ . 12 * 12

= (¼ * 3.14 - ½) * 12² = 41.04 cm²

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3 years ago
An architect wants an artistic flair to the house he is building, so he designs windows that are three fourths of a circle in sh
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The amount of rim needed for each window is 141.4 in

<h3>How to find the length of the outer rim?</h3>

Since the outer rim is the length of an arc, we use the formula for length of an arc of a circle.

<h3>What is an arc?</h3>

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<h3>What is the length of an arc?</h3>

So, length of arc, L = Ф/360 × 2πR where

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Learn more about length of an arc here:

brainly.com/question/8402454

#SPJ1

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