Question

what is the measure of angle a in degrees
a 120 degrees

b 60 degrees

c 150 degrees

d cannot be determined

Answer 1

Do you know equal sides have equal opposite angles..

Angles opposite to equal sides are also equal..

Use this concept..

Answer 2

would it be 60 degrees then

Answer 3

60 for what??
A or B??

Answer 4

b

Answer 5

Angle(B) = Angle(C)

What is angle C given??

Answer 6

30 degrees

Answer 7

So what will be Angle B ??

Answer 8

i think its 60 degrees

Answer 9

I am saying that angle b is equal to angle c.

Angle c is 30 so what will be angle of B if they are equal??

Answer 10

30 but they dont have that choice in the answers so do i put c cannot be determined

Answer 11

We have to find Angle A not B and C..

Answer 12

Sum of all the angles of Triangle is How Much??

Answer 13

See, Angle B and Angle C are equal..
Both will be 30

Now,

A + B + C = 180

A + 30 +30 = 180

A = 180 - 60
A = 120

Answer 14

thank you