Answer:
50
Step-by-step explanation:
all angles must equal to 180
Answer:
D. 221.7 cm
Step-by-step explanation:
Surface area of a sphere is: 
'r' - radius
We are given the radius of 4.2 centimetres.

221.5584 ≈ 221.6
The closest answer is Option D, therefore it should be the correct answer.
Answer:
Step-by-step explanation:
Solve the Function Operation
Rewrite
=
so is on the left side.
=
Answer:
216 in2
Step-by-step explanation:
the area of the rectangle is
20(12)=240
area of the triangle is
4(6)= 24
so now we subtract, 240-24= 216 in2
The answer would be -2 1/12.