Question

WILL MARK AS BRAINLIEST IF ANSWERED CORRECTLY IN SIMPLEST FORM

Answer 1

Answer:

314.3 km² (approx)

Step-by-step explanation:

Area of Circle:

>> π r²

>> 22/7 * 10 * 10

>> 2200/7

>> 314.285

>> 314.3 km² (approx)

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Answer 2

MARK ME AS THE BRAINLIEST

Answer:

if diameter = 20km, then

radius = 20/2 = 10

formula for area of circle is

pie r^2

= 3.14 × 10 × 10

= 314 km^2

HOPE IT IS USEFUL