Question

$p,q,r$ are the sides of the triangle $PQR$ as shown. If $q=5$ units and $r=10$ units, then $p=$

• A. $5$ units
• B. $4$ units
• C. $10$ units

Answer 1

The correct option is C $10$ units


Given a triangle $PQR$ with the side lengths as $q=5$ units and $r=10$ units.
Now, For $PQR$ to be a triangle, according to triangle inequality.
The sum of any two sides, should be greater than the third side:
Now, according to the options given.
If $p=10$ units, the sum of any two sides will be greater than the third side, hence forming a triangle.