Circumference 4532

The block ABCDEFGH is given, / AB / = 3.5 cm, / BC / = 4.1 cm, the circumference of the BCGF wall is 12.4 cm. Calculate the area and volume of the block.

Correct answer:

S =  60.62 cm2
V =  30.135 cm3

Step-by-step explanation:

a=3.5 b=4.1 c=(12.42 b)/2=(12.42 4.1)/2=1021=2.1 S=2 (a b+b c+a c)=2 (3.5 4.1+4.1 2.1+3.5 2.1)=60.62 cm2
V=a b c=3.5 4.1 2.1=30.135 cm3

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