If (x, y) is on the circle + ' = 9 and = = 3//2, then y = 9 - ? = 3//2. Thus the region over which the integral is to be taken consists of all (r, O) such that 0 SOS#/4 and (3/V2) sec 0 Sr S3.
Thus
dy dx -
Somova 1 dr do
+y?
(3 sec )/V2
-6 do do In sec 0 + tan01
In(V2+1).
V2
31

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half