a rode whose width is 7 metres around a circular path of circumference is 1012 m find the area of the road
Answers
Answered by
1
apply circumference formula that is 2 pie r
Answered by
4
C=2πr
1012=2×22/7×r
1012×7/44=r
161m=r
Width=7mtr
Then radius of road=161+7=>168mtr
Area of Circular path
A=πr²
A=22/7×161²
=81466mtr²
Area of road
A=πr²
=22/7×168²
=88704mtr²
Area of road=88704-81466=>7238m²
1012=2×22/7×r
1012×7/44=r
161m=r
Width=7mtr
Then radius of road=161+7=>168mtr
Area of Circular path
A=πr²
A=22/7×161²
=81466mtr²
Area of road
A=πr²
=22/7×168²
=88704mtr²
Area of road=88704-81466=>7238m²
Kshitijydv:
please mark it as a brainlist
i have marked
thanks
Similar questions