Answer:
The surface area is multiplied by 4.
Step-by-step explanation:
The surface area is a squared value, so if the radius is multiplied by 2, the surface area is multiplied by 2 squared, or in other words, 4. I love geometry. I'm sure it is correct.
Answer: 13) 6
I dont know 16 or 17
19) 33
Area of parallelogram=base*height
So 1.75*1.5=2.625cm²
20
4e + 6f - 14g