73.9k views
1 vote
An equilateral triangle LMQ is drawn

in the interior of square LMNP so that side LM is common. Find
m LQP.

User Viren
by
4.3k points

2 Answers

1 vote

The measure of the ∠LQP is 120°

Explanation:

The diagram of the question is as attached in the image.

LMNP is a square. We know that for a square all sides are equal and intersects at 90°

Hence, LM=MP=PN=LN

and ∠LMP= ∠MPN= ∠PNL= ∠NLM= 90°

Δ LMQ is an equilateral triangle

We know that for equilateral triangle all sides are equal and all angles are 60°

LM=LQ=QM=MP=PN=LN and

∠LQM= ∠QML= ∠MLQ= 60°

∠LQP= ∠LQM+ ∠MQP eq 1

In Δ MPQ

∠QPM=90° and ∠PMQ= 90°-60°=30°

Hence, ∠MQP= 180°-(90°+30°)=60°

Putting the value of ∠MQP and ∠LQM in equation 1

∠LQP= 60°+60°= 120°

Thus the measure of ∠LQP=120°

An equilateral triangle LMQ is drawn in the interior of square LMNP so that side LM-example-1
User Annelaure
by
4.8k points
0 votes

LQP = 75 degrees

Explanation:

This triangle is an isosceles triangle, LP is equivalent to LQ, and angles LQP and LPQ are also equivalent. We understand that PLQ is equal to 30 degrees, since it's complementary to triangle LQM.

180 - 30 = 150

150/2 = 75.

It'd be helpful if you were to post a picture of the situation, next time though, lol.

Have a nice day, fam. Spread The Love. Thanks for the opportunity.

User Gulli Meel
by
4.3k points