Question

Sove the question of chapter Circles​

Answer 1

Step-by-step explanation:

join the points A, B with center.

let the center be O.

then two triangles AOE and BOE.

OA=OE (radii of same circle)

OE=OE (common)

LAOE=LBOE (angles on the same sector)

(L=angle)

triangles AOE=BOE (SAS)

LAEO=LBEO (CPCT)

AE=BE (CPCT)

AEB is a straight line.

LAEB = 180

LAEO+LBEO=180

LBEO+LBEO=180

2LBEO=180

LBEO=180/2=90

LBEO=LAEO=90

Answer 2

Answer:

answer attached in photo