2. Find the area of the circles, given that: (a) radius = 20 cm
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Step-by-step explanation:
area=πr^2
=π(20)^2
=π400 cm^2
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Answer:
Result: The area of a circle with radius 20 is 1257
Formulae:
r = 20 d = 40 C = 126 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r = radius, d = diameter. that the answer
2.Find the area of the circles, given that:(b) diemeater= 42cm
Step-by-step explanation:
Similar questions
Formulae:
r = 20 d = 40 C = 126 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r = radius, d = diameter. that the answer