Question

Triangle ABC is isosceles and is and angle AC is parallel to angle BD with angle ACB 40° find the value of a° and b°

Answer 1

Answer:

ΔABC is an isosceles triangle. ∴ AB = AC. ⇒ ∠ACB = ∠ABC. [∴ Angles opposite to equal sides are equal]. Now, ...

Answer 2

Answer:

(a =) 70 (b =) 40

Step-by-step explanation:

C=B- alternate interior angles