AC is a diameter of a circle with a radius of 7 cm. From point B which is on the circumference of the circle draw a perpendicular to AC which meets at D. If BC = 12 cm, then find the length of CD.?

10
72/7
85/7
9

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 2 : 72/7

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⇒ BC² = CD × AC …. Property 1

⇒ AB² = AD × AC …. Property 2

Given, AC = 14 cm, BC = 12 cm & CD = ?

Using property 1

⇒ BC² = CD × AC

⇒ 144 = CD × 14

∴ CD = 72/7 cm

4 views Answered 2022-09-04 04:29

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