Question

I need help please:)...) How to find the approximate area of the figure?

http://static.k12.com/calms_media/media/243500_244000/243638/1/8ca16d9c4f04a2337658c0d8b96a83c02522ef53/VHS_PA_S2_03_L214_L314_UT_Q10.gif

Answer 1

Well, the whole figure consists of two smaller ones (three, actually). Can you see rectangle and two half cycles?

Answer 2

yeah i can

Answer 3

Do you know how to find area of rectangle? Of circle?

Answer 4

I mean, do you know formulas?

Answer 5

yeah

Answer 6

So, what is the area of rectangle?

Answer 7

75

Answer 8

and what is a formula of area of circle? How to get a half area of a circle?

Answer 9

That's as far as i got

Answer 10

:/ imean its 3.14*R or D

Answer 11

Let me draw something for you (sorry for my poor drawing skills)