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Harlamova29_29 [7]

3 years ago

14

Find the value of a and b

1 answer:

Kipish [7]3 years ago

4 0

Answer:

Step-by-step explanation:

In triangle ADC,

b+50+60=180(sum of angles of triangle equals 180)

or,b=180-110

▪b=70

also,

In triangle ABD,

angleA = 30+50=80

now,

a+80+60=180(sum of angles of traingle equals 180)

or,a=180-140

▪a=40'

Ans.

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