In a quadrilateral ABCD, it is being given that AB || DC.
angle A: angle D = 2:3 and angle B: angle C = 4:5.
Find the measure of each angle of quadrilateral ABCD,
(Hint : 2x + 3x = 180 and 4y + 5y = 180.)
Answers
Answered by
10
Answer:
when 3x + 2x = 180°
then x= 180° /5
x = 36
so angle A = 72
angleB= 108
and when 4y+ 5y= 180°
then y = 180° / 9 , y = 20
so angle C = 80°
angle D = 100°
Answered by
38
Answer:
angle a : angle d is equal to 2:3
so 2x+3x =180
5x=180
x= 36
angle a is 2*36=72
angle d is 3*36=108
angle b:angle c = 4:5
4x+5x= 180
9x = 180 ,x = 20
angle b = 80 and angle c = 100
therefore the measure of each angle is 72,108 ,80 and 100
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