Question

plzzz answer this question ​

Answer 1

step of construction ,

1- draw a line segment BC of 6cm .

2- draw an angel of 75° with arc B and C .

Answer 2

Answer:

we know the angles opposite to equal sides are equal.

/_A+/_B+/_C=180°

30°+x°+x°=180°

2x°=180-30

x=150/2

x=75°.