Question

please answer 1 no and 2no.
please​

Answer 1

7.

i) x=45 degree(interior opposite angles)

y= 100 degree -45 degree=55 degree

ii)x=65 degree-20=45 degree

y= 180-20=140 degree

(I'm not sure but i think this is the answer)

Answer 2

In the 1st figure

x= 45°......Alternate angles are congruent.

100°-45°=55°

Therefore

y=55°......alternate angles are congruent.

In the 2nd Figure

Angle x=65°-20°

=45°.

x°+20°+s=180°.....Linear angles are supplementary.

45°+20°+s=180°.

65°+s=180°.

s=180°-65°.

s=115°.

Angle y=115°+20°........alternate angles are congruent.

y=135°.

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GN✌