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Maths question, will mark Brainliest! Find the area of a circle with a radius of 4.

Maths Question Will Mark Brainliest Find The Area Of A Circle With A Radius Of 4 class=

Sagot :

ameliaortiz1111

Answer:

8[tex]\pi[/tex]

Step-by-step explanation:

area=[tex]\pi[/tex][tex]r^{2}[/tex]

[tex]\pi[/tex][tex]4^{2}[/tex]

16[tex]\pi[/tex]

since it is a semicircle, cut that number in half.

MindTrickery

Answer:

25.12units squared

Step-by-step explanation:

A = [tex]\frac{\pi r^2}{2}[/tex] or [tex]\frac{3.14r^2}{2}[/tex]

r = 4

3.14 x 4^2 = 50.24

50.24/2 = 25.12

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