Target Exam

CUET

Subject

General Aptitude Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

ΔPQR is an isosceles triangle and PQ = PR = 2a unit, QR = a unit. Draw PX ⊥ QR, and find the length of PX.

Options:

$\sqrt{5}a$

$\frac{\sqrt{5}a}{2}$

$\frac{\sqrt{10}a}{2}$

$\frac{\sqrt{15}a}{2}$

Correct Answer:

$\frac{\sqrt{15}a}{2}$