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Mademuasel [1]
2 years ago
6

Find the circumference of the circle

Mathematics
2 answers:
denis-greek [22]2 years ago
5 0

Answer:

Formula for circumference;

C = 2πr

replace those values

C = 2 x 3.14 x 9

C = 56.52 inches, C

Luba_88 [7]2 years ago
4 0

Answer:

The circumference would be 56.52

Step-by-step explanation:

Place your radius into the formula for circumference (C=2πr)

<em>C = 2 × 3.14 × 9</em>

<em>C = 56.52</em>

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What is the area of this composite figure?<br>A. 135 cm2<br>B. 207 cm2<br>C. 249 cm2<br>D. 279 cm2
mariarad [96]

Answer:

249 cm^2

Step-by-step explanation:

This problem becomes easier if we subdivide the figure, find the areas of the resulting figures and then sum them up.

Draw a vertical line straight down from the edge marked "4 cm" towards the edge marked "18 cm."  The resulting rectangle on the left is 15.5 cm long and (18 - 7.5) cm wide, or 15.5 by 10.5 cm.  Its area is 162.75 cm^2.

Next, find the area of the rectangle on the right of the line we drew.  Its width is 7.5 cm and its height (15.5 - 4) cm, resulting in an area of 86.25 cm^2.

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7 0
3 years ago
The perimeter of a square is 36 feet. If you increase the length by 3 feet and decrease the width
Rufina [12.5K]

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4 0
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