Home
Class 9
MATHS
In triangle ABC , AB = BC , angle B = 40...

In `triangle ABC` , `AB = BC` , `angle B = 40 ^(@)` Then `angleA ` is equal to

A

`70^(@)`

B

`40^(@)`

C

`140^(@)`

D

`100^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
`A`
Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    CBSE COMPLEMENTARY MATERIAL|Exercise PART-A (Fill in the blanks )|10 Videos

  • TRIANGLES

    CBSE COMPLEMENTARY MATERIAL|Exercise PART-A (State which of the following statements are true and false )|5 Videos

  • SURFACE AREAS AND VOLUMES

    CBSE COMPLEMENTARY MATERIAL|Exercise Practice Test|8 Videos

Similar Questions

Explore conceptually related problems

In triangle ABC , AB = AC , angle B = 40 ^(@) Then angle C is equal to

In Delta ABC, if BC=AB and angleB=80^(@) ,then angleA is equal to

In a triangle ABC, AB=BC and angleA=60^(@) . Find angleB .

In right triangle ABC , AB=BC , then angleA is equal to

The given figure shows an isosceles triangle ABC with AB = BC and angle B = 20^(@) . Points D&E are on AB & BC respectively so that the measure of angle CAE is 40^(@) degrees and the measure of angle ACD is 50^(@) degrees. DE and AC meet at F. Find the measure of angle AFD.