Question

a
Q.4 Find the value of angle 2
angle4 if angle1 = 75° and angle3 = 55°. State the property
used.
B
D
n​

Answer 1

Answer:

Angle 2= 50 degree

Angle 4= 125 degree

Answer 2

Answer:

L1 =75°

L3=55°

let the L2 be x

L2=(75° + 55° + x) = 180°(sum of all the angle of)

= 130°+x = 180°

= x = 180°-130°

= x = 50°

let the L4 be y

L4 = (180°-55°) { linear pair }

= 125°

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