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What is the area of the circle below, in terms of ?90 metersO 457O 907O 1807O 81007134

Sagot :

Step 1: Write out the formula

[tex]\begin{gathered} \text{Area of a circle = }\pi r^2 \\ \text{where } \\ r=\text{ the radius of the circle} \end{gathered}[/tex]

Step 2: Write out the given values and substitute them into the formula

[tex]r=90m[/tex]

Therefore,

[tex]\text{ the area of the circle = }\pi(90)^2=\pi\times8100=8100\pi m^2[/tex]

Hence, the area in terms of pi is

[tex]8100\pi[/tex]

The last choice is the correct answer