1.

(a) What is the value of x in the figure given below if it is known that perimeter of the triangle is 86? (b) Set up an equation in the following case and find the value of the unknown: In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees). [3 MARKS]

Answer»

(a) What is the value of x in the figure given below if it is known that perimeter of the triangle is 86?




(b)
Set up an equation in the following case and find the value of the unknown:
In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees). [3 MARKS]



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