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Shrinam

· started a discussion

· 1 Months ago

solve (Question: 336988.0 )

solution please

Question:

A circle is inscribed inside an isosceles trapezoid with lengths of its parallel sides as 75 and 108 units. The diameter of inscribed circle is -  

Options:
A)

87.5

B)

90

C)

91.5

D)

100

Solution:

Ans: (b)


HEMANT DABRAL

· commented

· 1 Months ago

Property of circle, sum of the adjacent tangents are equal
In this sum of adjacent tangents ie 75+108=183
Which is equal to sum of other equal sides
Thus, each equal side is 183/2
Now diameter is perpendicular which an be calculated from 183/2&33/2
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