Question

draw a pair of tangents to a circle of radius 4 cm which are inclined to each other at an angle of 80°​

Answer 1

* Step 1 : Draw a circle of radius 4 cm and centre O.

* Step 2 : Take a point A on the circle. Join OA.

* Step 3 : Draw a perpendicular to OA at A.

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Answer 2

Answer:

consecutive terms is constant. Hence, it is known as constant difference (d).

That means, the difference between the first and second term = difference between the second and third term..

Or we can consider the opposite. The difference will remain constant throughout.

Hence:-

➛ 2nd - 1st = 3rd - 2nd

➛ 2x + p - x = 3x + 6 - (2x + p)

➛ x + p = 3x + 6 - 2x - p

➛ x + p = x - p + 6

➛ x + p - x + p - 6 = 0

➛ 2p - 6 = 0

➛ 2p = 6

➛ p = 3(Ans)