Question

8.) Construct an isosceles AABC in which AB = 8 cm, BC = 8 cm and CA = 9 cm.
(i) Measure ZB and ZC of the triangle
(ii) Are these angles equal?
99 Math-5​

Answer 1

Answer:

⇒  We have given that given △ABC is isosceles triangle.

⇒  ∠A = 90∘               [Given]

⇒  then, ∠B = ∠C = 45  

∘

     [ ∵  Two angles of isosceles triangle are equal]

⇒  Steps of construction are given below :-

⇒  Take a line segment BC = 6.8cm.

⇒  Construct angles of 45  

∘

 at points B and C which is meet at point A.

⇒  Measure line segment AB and AC.

⇒  We get, AB=AC=4.8cm