Question

Geometry help needed! Medal!

Answer 1

@gorv @ganeshie8

Answer 2

side AB=AC

Answer 3

I got that much, it's marked on the triangle that they are congruent.

Answer 4

what u call a triangle with 2 sides equal??

Answer 5

Isosceles

Answer 6

very gud ....and anything abt equality of angle?

Answer 7

In Isosceles triangles two angles must be congruent? Because two sides are congruent, the opposite angles must be as well

Answer 8

yeah ...

Answer 9

now u have two triangle

Answer 10

ABD and ACD

Answer 11

But how can we prove that angles DBA and CDA are right angles?

Answer 12

Don't I need that information to solve for y?

Answer 13

both triangle have one angle equal right??

Answer 14

So y = 43?

Answer 15

AB=AC

Answer 16

AD=AD common of both triangle
so they are congruent