the base of a triangular garden is three times its altitude . if the cost of grassing the garden at rs 685 per hectare is rs 9247.50 , find its base and altitude.
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Answer:
The base of a triangular field is three times its altitude. If the cost of sowing the field at Rs. 58 per hectare is Rs. 783, find its base and height.
Explanation:
ANSWER
Given that b=3h
Area=
2 1 ×bh
Area= 2 1 ×(3h)h
Area= 2 1 ×3h 2
Given that
⇒58× 2 1
×3h 2 =783
⇒3h 2 =27
⇒h 2 =9
⇒h=300m
⇒b=900m
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