Home
Class 9
MATHS
A,B,C and D are four points on a circle....

A,B,C and D are four points on a circle. AC and BD intersect at a point E such that ∠BEC = 130° and ∠ECD = 20°. Find ∠BAC?

A

`110^(@)`

B

`100^(@)`

C

`90^(@)`

D

`120^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CIRCLES

    SCIENCE OLYMPIAD FOUNDATION |Exercise Achievers Section (HOTS) |3 Videos
  • AREAS OF PARALLELOGRAMS AND TRIANGLES

    SCIENCE OLYMPIAD FOUNDATION |Exercise Achievers Section (HOTS) |2 Videos
  • CLASS 9 SAMPLE PAPER FINAL 4

    SCIENCE OLYMPIAD FOUNDATION |Exercise MATHEMATICS|10 Videos

Similar Questions

Explore conceptually related problems

In Fig.10.39,A,B,C and D are four points on a circle.AC and BD intersect at a point E such that /_BEC=130^(@) and Find Find quad /_BAC

A,B,C,D are four consecutive points on a circle such that AB=CD .Prove that AC=BD

In fig.10,A,B,C and D are four points,and no three points are collinear.AC and BD intersect at O there are eight triangles. you can observe.Name all the triangles.

In triangle ABC, points D and E are on BC and AC respectively. If AD and BE intersect at point F so that AF : FD = 4 : 1 and BD : DC = 2 : 1, than find the ratio BF : BE?

In triangle DeltaABD, angleADB=20^(@) and C is a point on BD such that AB = AC and CD = CA. Find angleABC .

In the adjoinig figure, AB is a diameter of the circle, CD is a chord equal to the radius of the circle. AC and BD when extended intersect at a point E. Prove that angleAEB=60^@ .

diagonal of a cocyclic parallelogram ABCD is AC and BD intersection at point R .then

In ABC,AB=AC, and the bisectors of angles B and C intersect at point O .Prove that BO=CO and the ray AO is the bisector of angle BAC