In this picture, equilateral quadrilateral is given. Find the measurement of angle Y.
Answers
Step-by-step explanation:
y = 60°
sum of all angles in a triangle = 180°
y + right angle + 30 = 180°
y + 90° + 30° = 180°
y + 120° = 180°
y = 180° - 120°
y = 60°
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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