Math, asked by manju3, 1 year ago

A road ten metre wide surrounds a circular park whose perimeter is 352 metre. Find the area of the road.
answer. 3834.28

Answers

Answered by nayanu
2
Perimeter= 2x3.14xr
352=2x3.14xr
r=56.05
radius of the park= 56.05
area of park= 3.14x56.05x56.05=9864.63
radius of outer circle = 56.05+10=66.05
area= 3.14x66.05x66.05=13698.57
area of road= 13698.57-9864.63=3833.94 metre square


Previous Question
Next Question
Similar questions
Chemistry, 8 months ago
Ionic conductances of hydrated M+ ions are in the order- (1) Li+ (aq) > Na+ (aq) > K+ (aq) > Rb+ (aq) > Cs+ (aq) (2) Lit (aq) > Na+ (aq) <K+ (aq) < Rb+ (aq) < Cs+ (aq) (3) Li+ (aq) > Na+ (aq) > K+ (aq) > Rb+ (aq) < Cs+ (aq) (4) Lit (aq) < Na+ (aq) <K+ (aq) < Rb+ (aq) < Cs+ (aq)​...
Science, 8 months ago
which carries deoxygenated blood=arteries or veins what are pulmonary arteries and what are pulmonary veins which parts of the heart does blood pass through to the body(in definite order)...
Social Sciences, 8 months ago
A substance that cannot be digested but is needed to move waste out of the body...
India Languages, 1 year ago
intense stress develops better immunity.... TRUE OR FALSE...
India Languages, 1 year ago
there is crises everyday in human life.....TRUE OR FALSE...
Chemistry, 1 year ago
Name the gas liberated when acid reacts with the metal ? Illustrate your answer with an example giving balanced equation. How would you test the gas evolved?
Science, 1 year ago
In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished marble, the third is laid with bricks and the fourth has gravel surface. It is raining heavily and Paheli wishes to reach the main road. The path on which she is least likely to slip is (a) loose soil. (c) bricks. (b) polished marble. (d) gravel.
Science, 1 year ago
Structures present in a cell which is responsible for determination of the sex of a baby is (a) cytoplasm (c) nucleus (b) cell membrane (d) chromosome NCERT Class VIII Science - Exemplar Problems Chapter 10. Reaching the Age of Adolescence...