Question

PROBLEMS ON SEMI AI
20. If the outer and inner radii of a circular path are 25 m and 18 m respectively, then are
semiring is
a) 473 sq.m
b) 453 sq.m
c) 454 sq.m
d) 474 sq.m
PROBLEMS ON SECTOR AND MEASUREMENTS OF A SECTOR:
21. The area of a sector of a circle whose radius and length of the arc are 10 cm, 13 cm respec
cm. 13 cm respectively
a) 60 cm
b) 65 cm
c) 70 cm
d) 75 cm

23. If a horse is tethred to one corner of a rectangular grass field 40 m by 27 m by a rope 14
long, then the area of the field that the horse can it graze is
a) 144 sq.m ) 154 sq.m c) 134 sq.m
d) 164 sq.m
24. A shed of length 20 m and breadth 10 m is constructed in a grass field. A cow is tied with a
rope of length 10 m outside the shed in a corner. The area of the field that the cow can graze
a) 135.7 m² b) 153.7 m²
c) 235.7 m²
d) 253.7 m²

tell these answers in way of problem only​

Answer 1

Answer:

weak in maths but top in science can you give me science question also follow me

Answer 2

Answer:

473 1St answer 70 secound ansr