House dimension 15m by 10m. The roof is flat with a store having slanted roof facing the front of the house constructed using four cylindrical pillars of height 3 metres and diameter 7 cm supporting the slant roof .The two triangular sides of the store is covered with thin sheets. The slant rectangular roof has an area of 50sq.metres. The remaining open terrace is protected using round pipe railings of diameter 3.5cm. Find the area of the terrace on which the farmer can dry corn from 9.00am, when the angle of elevation of the sun at 9.00am is 45 degrees will be
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Answered by
1
Answer:
OD=3 cm
AB=8 cm
Radius =OB
In △OBD
OB
2
=BD
2
+OD
2
⟹OB
2
=4
2
+3
2
⟹OB=5 cm
Radius=5 cm
Answered by
0
Answer:
Radius = 5cm .
hope it helps you
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