Question

1 A = 4r2
Work out the value of
a A when r = 2
cr when A= 100
b A when r = 5
dr when A= 9​

Answer 1

Answer:

Step-by-step explanation:

GIVEN: A= 4 R

a] A= 4 [2]=8

b] r= A/4=100/4=25

c] A= 4 [5]= 20

d] r= A/4=9/4=2.25

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