You will find the area of the semicircle by finding the area of the circle with a radius of 8.5 mm and the dividing it by 2.

A = pi x r^2
3.14 x 8.5^2
A = 226.865 square mm
226.865/2
113.43

The approximate area of the semi circle is 113.43 mm².

3 0

3 years ago

Find a. Write your answer in simplest radical form.

OlgaM077 [116]

Answer:a=10

Step-by-step explanation:

I don’t know how to explain this in detail but I hope these notes and work help you.

8 0

2 years ago

At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students pref

Sveta_85 [38]

If 100 students make up 40% of the 6th grade population, then 50 students make up 20% of the 6th grade population. 20% × 5 makes 100% so if your multiply 50 by 5 you'd get your population.
50 × 5 = 250 sixth-graders

7 0

3 years ago

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