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CBSE Class 7 Answered

find the angle y in the following figure
question image
Asked by snehal.181189 | 12 Oct, 2020, 01:36: PM
answered-by-expert Expert Answer
In the first triangle, the angles opposite to equal sides will be equal.
So, two angles will be yo
Using exterior angle property, we have
130o = yo + yo
130o = 2yo 
y = 65
 
In the second triangle, the angles opposite to equal sides will be equal.
So, two angles will be yo
Using exterior angle property, we have
100o = yo + yo
100o = 2yo 
y = 50
Answered by Renu Varma | 06 Nov, 2020, 10:50: AM
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