## KJ4UTS one year ago Norman Window Area

1. KJ4UTS

2. KJ4UTS

@Michele_Laino

3. Michele_Laino

the area of the rectangle is: 6.5*3=...?

4. KJ4UTS

I have the area of the rectangle which is 6.5 times 3 = 19.5

5. KJ4UTS

how do I calculate a circle in half

6. Michele_Laino

ok! Now I see that the radius of the half-circle is 1.5, so the area of the half-circle is: $\Large \frac{{3.14 \cdot {{1.5}^2}}}{2} = ...?$

7. anonymous

(flat half) *3.14/2

8. KJ4UTS

3.534 so then 19.5+3.534=23.03 so the 1.5 comes from being the radius of the circle

9. Michele_Laino

yes!

10. KJ4UTS

Thank you again I really appreciate it!

11. Michele_Laino

:)