Question

please answer me fast​

Answer 1

Answer:

section A

1)a=50

2)b=85

4)d=73

5)e=128

section B

1)a=75

2)b=139

4)d=60

5)e=81

Step-by-step explanation:

section A

sum of all angles in a triangle is 180 degree. Therefore the answers for 1)2)are obtained after following the above statement.Isosceles traingle have two sides equal. Following this statement the answers for 4)5) are obtained

section B

measure of exterior angle of a triangle is equal to the sum of its remote interior angle. Therefore all the answers in this section are obtained using this rule.