The diagonal of a quadrilateral ABCD bisect each other at O. If angle A is 70 degree,then angle B in degrees is
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Answer:
Step-by-step explanation:
Given :
The diagonal of the quadrilateral ABCD bisect each other
To find :
Concept :
Use the parallelogram theorem .
The diagonal of the parallelogram bisect each other . So , it is a parallelogram .
So , sum of the adjacent angle is 180° .
So , to find angle B use this formula -:
Solution :
So , the angle B is 110° .
Extra information :
▪︎To find area of the Rhombus -:
Where,
A = Area of the Rhombus
▪︎To find the perimeter of the Rhombus -:
Where,
P = Perimeter of the Rhombus
a = Side
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