Answer:
179.76$
Step-by-step explanation:
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Answer:
14.95*3=what
Step-by-step explanation:
that's your answer
Step-by-step explanation:
SA=ph+2A, that is, perimeter × height+ twice area
p=21+20+29=70cm
h=22cm
70×22=1540cm
A=1/2 ×20×21=210×2=420
1540+420=1960cm2