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3. In the given figures below, let the lines l1 and l2 be parallel and t is transversal. Find the value of x and y |
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Answer» Answer: Sum of ∠E and ∠F is 180 o .........[sum of angles of ONE side of a STRAIGHT line] ⟹∠E+∠F=180 o
⟹∠E+65 o =180 o
⟹∠E=180 o −65 o =115 o
Now according to properties of parallel lines when cut by any transversal: ∠B=∠D=∠H=∠F=65 O and ∠A=∠C=∠G=∠E=115 O
Step-by-step explanation: |
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