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pls help i will give brainliest. use the examples step to solve the problems,it's my second time posting this​

Pls Help I Will Give Brainliest Use The Examples Step To Solve The Problemsits My Second Time Posting This class=

Sagot :

Answer:

A=144cm2,B=33cm2,C=18cm2,D=21.98cm2

Step-by-step explanation:

A=12*12

B=11*3

C=1/2*4*9

D=π*7cm2. (π = 3.14