Question

3. In this picture, equilateral quadrilateral is given. Find the measurement of angle Y.
30

Answer 1

Answer:

90+30+X = 180

X =180-120

X= 60 so your answer 60

Answer 2

Given :   equilateral quadrilateral

and half of one angle = 60°

To Find : the measurement of angle Y.

Solution:

equilateral quadrilateral  means Rhombus

Diagonal of rhombus bisect each other perpendicularly

Hence angle at intersection = 90°

90° + 30° + y = 180°  ( sum of angles of a triangle )

=> y = 60°

the measurement of angle Y  is 60°

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