lol6998
03.03.2021 •
Mathematics
check out this pyramid find the surface area of the square pyramid (above) using its net (below)
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Ответ:
x=60
Step-by-step explanation:
So basically the sum of interior angle of a triangle is 180.
Add all the values and make it equal to 180.
x+3/2x+1/2x=180
Then find x
3x=180
x=180/3
x=60 degrees