1.

B s $; 2 नह हु. ८ i C 7न दानल कह की, 5. 1.“#ध-व्ह्छ 0 s —Rik % कर Y &' ¢ न Al254, 949

Answer»

. THE CAR HAS TWO WIPER S

. LET THITA BE ' ' SO

. THE LENGTH OF WIPER . = 25 CM = R

. WHICH IS RADIUS

. THEN

. THE TOTAL AREA CLEANED

. = 2 { / 360 * p R ² }

. 2 { 115 / 360 * 22 / 7 * 25 * 25 }

. 2 { 23 / 72 * 22 / 7 * 625 }

. 23 / 36 * 22 / 7 * 625

. 23 / 18 * 11 / 7 * 625

. 1254 . 96 CM ²

right answer thank you



Discussion

No Comment Found