CCE TEST PAPER-20.
1.Find the area of a rectangular plot one side of which is 48m and its diagonal 50m.
2.A room is 9m by 8m by 6.5m.It has one door of dimensions (2m×1.5m) and four windows each of dimension (1.5m×1m).Find the cost of painting the walls at Rs.50/m2.
3.Find the area of a square,the length of whose diagonal is 64cm.
ANSWER:
1.672m2.
2.Rs.10600.
3.2048m2.
I WANT SOLUTION.
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1.Side=48m
Diagonal=50m
(opposite)²+(adjacent)²=(hypotenuse)²
(50)²-(48)²=(adjacent)²
2500-2304=(adjacent)²
196=(adjacent)²
14m=adjacent..
Area=l×b
=14×48
=672m^2
Diagonal=50m
(opposite)²+(adjacent)²=(hypotenuse)²
(50)²-(48)²=(adjacent)²
2500-2304=(adjacent)²
196=(adjacent)²
14m=adjacent..
Area=l×b
=14×48
=672m^2
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1
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