Question

two angles measure a- 60% degree and 123%-2a. if each one is opposite to equal sides of an isosceles triangle then find the value of a. ​

Answer 1

angles opposite to equal sides of an isosceles triangle are equal......

so ...

a-60 = 123-2a.

a+2a=123+60

3a= 183

a= 183/3

a= 61...

hence a equal to 61.....

hope it helped you!!