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Answered by
0
Answer:
1. 78
2. 15
3. 32
Step-by-step explanation:
1) 180-(29+73)
= 78
2) 180-(75+90)
= 15
3) 180-(118+30)
= 32
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Answered by
1
Answer:
(i)78 degree
(ii)15 degree
(iii)49 degree
Step-by-step explanation:
Formula: Angle sum property of a triangle
= Angle A+Angle B+Angle C=180 degree
=LET THE THIRD ANGLE BE "X"
(i)29+73+x=180
=102+x=180
=x=180-102=78 degree
(ii)75+90+x=180
=165+x=180
=x=180-165=15 degree
(iii)118+13+x=180
=131+x=180
=x=180-131=49 degree
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