show that in a parallelogram, the bisectors of interior angles from a rectangle
Answers
Answer:
5
Step-by-step explanation:
Answer:
Step-by-step explanation:
: To prove that the angle bisector of a parallelogram form a rectangle we have to prove that the interior angle of the quadrilateral formed by the angle bisector are right angle. Then the quadrilateral will be a rectangle
Complete step-by-step answer:
Suppose the diagram of the parallelogram is as the figure given below.
LMNO is a parallelogram in which bisectors of the angles L, M, N, and O intersect at P, Q, R and S to form the quadrilateral PQRS.
LM || NO
(opposite sides of parallelogram LMNO)
∠L+∠M=180∘ (sum of consecutive interior angles is 180o)
∠MLS +∠LMS =90o
In ΔLMS,∠MLS +∠LMS +∠LSM =180o
90o+∠LSM = 180∘
∠LSM = 90o
Hence, ∠RSP = 90o
, (vertically opposite angles)
Similarly, ∠SRQ = 90o, ∠RQP = 90o
and ∠SPQ = 90o
Hence the angle bisectors of a parallelogram form a rectangle as all the angles are right angles; we conclude that it IS RECTANGLE.
Hence proved.
Note: A rectangle is a kind of regular geometry in which the length of opposite sides are equal and all the interior angles are right angles. It differs from that of square in only one sense that in square all the four sides are equal.