kimoramcclain11 kimoramcclain11

18-12-2020
Mathematics

contestada

The diameter of the circle below measures 7 cm,
What is the approximate area of the circle?
A. 14 cm2
B. 22 cm2
C. 38 cm2
D. 154 cm2

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Аноним Аноним

18-12-2020

Answer: D

Step-by-step explanation:

Remember the formula -

[tex]A = \pi[/tex] × [tex]r^{2}[/tex]

π = 3.14

[tex]r^{2}[/tex] = 7

7² = 49

3.14 x 49 = 153.94

A = π · r² = π · 72 ≈ 153.93804

153.93804 ⇒ 154 (rounded)

Your answer is D.

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