Answer:
the sum of interior angles of a triangle is =180
so.......
80 + 40 + x=180
120 + x= 180
x = 180 - 120
x = 60
60 is an acute angle
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33.912 in
Step-by-step explanation:
find the area of the circle first by: multiplying 1.5squared X 3.14= 7.065
the multiply it by the height (4.8) = 33.912
{(1-2g) + 4h] x 5 =
The answer is A.) 21x/^3y
Here is proof
