A circle is inscribed in an isosceles triangle whose lateral side is 9 cm and the base is 6 cm. Determine the distance between the two points of tangency. A. 4 B. 2 C. 3 D. 5

Mathematics For Machine Technology
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Chapter62: Volumes Of Prisms And Cylinders
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Problem 38A: A copper casting is in the shape of a prism with an equilateral triangle base. The length of each...
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A circle is inscribed in an isosceles triangle whose lateral side is 9 cm and the base is 6 cm. Determine the distance between the two points of tangency.

A. 4

B. 2

C. 3

D. 5 

Answer here is A. 4 but I dont know its solution please send me solution in handwritten form for better understanding. Thank you

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