In the given figure, AB//CD, AB = 7 cm,
BD = 25 cm and CD = 17 cm; find the
length of side BC.
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Answer:
30.24 cm
Step-by-step explanation:
It will become a quadrilateral and bcd forms a right angled triangle where we can apply Pythagorean theorem.
which gives bc²= bd²+cd²
let bc = x, bd=25, cd= 17
x²= 914
x=√914 ≈ 30.24
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