Question

Find the values of the unknowns 'x' and 'y'in the following diagrams.
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Answer 1

Answer:

1.y. 60* , x. 70*

2.x.80*, y. 50*

3.x.110*, y. 70*

4.x.60*, y. 90*

5.x.45*, y. 90*

6.x.120*

Answer 2

Answer:

i) y=(180-120)=60

x=180-(60+50)=180-110=70

ii) x=80

y=180-(80+50)=180-130=50

iii) y=180-(50+60)=180-110=70

x=180-70=110

iv)x=60

y=180-(60+30)=180-90=90

v)y=90

x=(180-90)/2=90/2=45

vi)x+x+x=180

3x=180

x÷180/3=60