The diagram show the isosceles triangle, ABC.
BCD is the straight line
Find the value of x
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Step-by-step explanation:
∆ABC is an isosceles ∆
So,
L B = L C
BCD is a straight line (given)
Therefore, L BCA + L DCA= 180°
L BCA+132= 180°
L BCA= 180- 132
= 48°
Sum of all the angles in ∆ ABC= 180°
x+ L B +L C = 180°
x+ 2L C= 180 ° ( L B= L C)
x+2(48)= 180°
x= 180°-96°
= 84°
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