Question

4. plz anyone solve this all question for me i will definately mark you brainleast​

Answer 1

Answer:

a) 110+30+b= 180           b) b=180-(50+60)                 c) a=40

 b= 180- 140                     b= 180-110                      b= 180 -( 40+40)

b= 40                                 b= 70                           b= 100

b) a= 180-110                     180- 70 = 110

a= 70                                  a= 180 - (30+110)

                                            a= 40

Step-by-step explanation:

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Answer 2

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answer:

a)a=70,b=40

b)a=40,b=70

c)a=40,b=100

Step-by-step explanation:

a.

.110°+a=180

a=180°-110°

a=70°

110°+30°+b=180°

140°+b=180°

b=40°

b.

b+50°+60°=180°

b=180°-110°

b=70°

<ADB=110°

a+110°+30°=180°

a=180°-140°

a=40°

c.

<Z=<Y

40°=40°

a=40°

b+40°+40°=180°

b=180°-80°

b=100°