Question

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Answer 1

as in (3)one angle is 35 and one is 90
therefore
35+90+a=180
a=55
a+b=180
55+b=180
b=125



in (4)
let the angle near b be a
60+75+a=180
a=45
a+b=180
45+b=180
b=135

Answer 2

HELLO...FRIEND..✴✴✴✴✴

iii)<A will be 180-the sum of other two angles

(because of angle sum property)

hence it will be
$180 - (35 + 90)$
$= 180 - 125$
$= 55deg$

now Angle B will be... the exterior angle measure


exterior angle is equal to the interior opposite angles so it is equal to 125 degrees...


iv) exterior angle is equal to the interior opposite angles hence the angle is equal to 60 + 75 =135deg



HOPE IT HELPS

#nks23