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FinnZ [79.3K]
3 years ago
9

What is the surface area of the monument

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Answer:

660

Step-by-step explanation:

ok this one is a little more tricky

20*5=100 do not double this one

20*12=240 do not double this one

20*13=260 do not double this one

remember the area of a triangle is A=1/2l*w

plug in the values

A=1/2(5)(12)

A=30 you have to double this one because there is two of them

60

now you must add up all your values

100+240+260+60=660

i hope i am not wrong... but hope it helps!

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