Question

answer the following

Answer 1

Answer:

Here are 2 circles of equal radii.

ABOO' and CDO'O are a rectangles The radius of each circles are equal

oo' is common and all angles are

90 degree each

Hence the 2 rectangles Can be called Congruent rectangles

so AB =CD

Answer 2

To Prove: AB = CD

Proof:

∠A = ∠B (RADIUS ⊥ TANGENT)

∴ OA║OB

OA = OB (RADII OF SAME CIRCLE)

QUADRILATERAL AOOB IS A PARALLELOGRAM

SIMILARLY QUADRILATERAL COOD IS A PARALLELOGRAM

AB = OO ...(i) (OPPOSITE SIDES OF PARALLELOGRAM)

CD = OO ...(ii) (DO)

FROM (i) AND (ii)

AB = CD

HENCE PROVED