Mensuration Practice Test 7

Question : 8 of 40

Marks: +1, -0

The length of the side of a square field whose area is equal to the sum of two rectangular fields with dimensions 40 m × 20 m and 25 m × 17 m is:

Solution:

Sum of area of two rectangular field
= (l + b) +

(l_1+b_1)

= (40 × 20)+ (25 ×17)
= 800 + 425
= 1,225
Area of square = 1,225
Side of square = 35 m

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