Question

Q1Triangle ABC is isosceles with AB=AC. If <B=60°,find <A​

Answer 1

Answer:

If an isosceles triangle is 60°, then what is the measure of the 2 angles?

60, 60

…./…../….

Sum of angles of any triangle is 180

Now let other angles be x and y

So

60+x+y=180

x+y=120

Now we know that isosceles triangles have 2 equal angel

So either x=y

Then ,

2x=120

x=60 and y=60

Or, either one of x or y will be equal to the given value of the angle

So let y be equal to the given value

So

y=60,

So

x=120–60

x=60

Answer 2

Triangle ABC is isosceles with AB=AC. If <B=60°,find <A

Answer

∠A=∠60