Question

in the adjoining figure ABCD is a square and triangle ABC is an equilateral triangle prove that AE = BE and angle DAE is equal to 15 degree ​

Answer 1

Answer:

Since ABCD is a square, we have AD = DC. Hence, we have AD = DE. Now, in triangle DAE, we have DA = DE. ∠DAE=∠DEA(The angles opposite to equal sides of a triangle are equal).