Mensuration Practice Test 8

Question : 7 of 40

Marks: +1, -0

The base of a triangular field is 800 m and its height is 500 m. Find the area of the field. Also, calculate the charges for supplying water to the field at the rate of Rs 25 per sq. m.

5,000,000
6,000,000
2,000,000
5,00,000

Validate

Solution:

Area of the triangular field =

1/2

× base altitude
=

1/2 × 800 × 500

= 200000 sq.m
Cost of supplying water for 1 m field = Rs 25
Cost of supplying water to the whole field
= 2,00,000 × 25 = Rs 5,000,000

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