Question

AB and CD are two parallel chords of a circle such that AB = 10 cm, CD= 4√30 cm. If the distance between AB and CD is 5 cm. Find the diameter of the circle. 5

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Answer 1

Answer:

13

Step-by-step explanation:

r²=x²+(5)²

also, r²=(17−x)²+(12)²

So, x²+(5)²=(17−x)²+(12)²

x ²+25=(17−x)²+144

⇒x=12

∴r² =144+25=169

⇒r=13cm