Question

Imogen says that a circle with radius r has
the same area as a semicircle with radius 2r.
Do you agree with Imogen?
Explain your answer.

Answer 1

Answer:

Yes, Imogen is correct.

Step-by-step explanation:

The area for a circle is $A=\pi r$, where A is the area, and r is the radius. The area of a semicircle with a radius two times our first is half of the area of the full circle. The area of a full circle two times the size of the first has two tiimes the area, so half of itis the same as the firsy