Question

Calculate the size of each lettered angle.

Note: If you don't know the correct answer, please don't give the wrong answer.

Question number 4 and 5 must be answered.

Answer 1

Answer:

Step-by-step explanation:

4 th answer.....

Angle opposite to equal sides are equal...sides AB and BC are equal therefore angles <BAC and <BCA are also equal

C = A = x

Sum of the angles of a triangle is 180 so

B = 180-2x

5th answer attached below...