## Hexagon Questions for CAT

Download important CAT Hexagon Questions PDF based on previously asked questions in CAT exam. Practice Hexagon questions with solutions for CAT exam.

Download Hexagon Questions for CAT

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**Question 1: **

a) 3, 3

b) 4, 2

c) 2, 4

d) 4, 4

**Question 2: **In the figure below, ABCDEF is a regular hexagon and $\angle{AOF}$ = 90° . FO is parallel to ED. What is the ratio of the area of the triangle AOF to that of the hexagon ABCDEF?

a) 1/12

b) 1/6

c) 1/24

d) 1/18

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**Question 3: **ABCDEF is a regular hexagon and PQR is an equilateral triangle of side a. The area of the shaded portion is X and CD : PQ : : 2 : 1. Find the area of the circle circumscribing the hexagon in terms of X.

a) $\frac{16 \pi}{23 \sqrt{3}}$ X

b) $\frac{42 \pi}{5 \sqrt{3}}$ X

c) $\frac{2 \pi}{3 \sqrt{3}}$ X

d) $2\sqrt{3 \pi}$ X

**Question 4: **Let PQRSTU be a regular hexagon. The ratio of the area of the triangle PRT to that of the hexagon PQRSTU is

a) 0.3

b) 0.5

c) 1

d) None of the above

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**Question 5: **Let ABCDEF be a regular hexagon with each side of length 1 cm. The area (in sq cm) of a square with AC as one side is

a) $3\sqrt{2}$

b) $3$

c) $4$

d) $\sqrt{3}$

**Answers & Solutions:**

**1) Answer (A)**

A is the correct answer.

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**2) Answer (A)**

When the hexagon is divided into number of similar triangle AOF we get 12 such triangles . Hence required ratio of area is 1/12.

**3) Answer (A)**

Let ‘a’ be the length of side of the hexagon. Therefore, the area of hexagon = $6*\dfrac{\sqrt{3}}{4}\times a^2$.

The area of triangle PQR = $\dfrac{\sqrt{3}}{4}\times (a/2)^2$

Therefore, the are of the shaded region = $6*\dfrac{\sqrt{3}}{4}\times a^2$ – $\dfrac{\sqrt{3}}{4}\times (a/2)^2$ = $\dfrac{23\sqrt{3}a^2}{16} = X$

$\Rightarrow$ $a^2 = \dfrac{16X}{23\sqrt{3}}$

The area of the circle = $\pi*a^2$

$\Rightarrow$ $\dfrac{16 \pi}{23 \sqrt{3}}$ X. Hence, option A is the correct answer.

**4) Answer (B)**

It’s given that PQRSTU is a regular hexagon and O is the center of the hexagon.

If we fold $\triangle$TSR ,$\triangle$PQR ,$\triangle$TUP along lines TR, PR, PT respectively then vertices S,Q,U will overlap each other exactly at center of the hexagon.

Hence we can say that Area of hexagon PQRSTU = 2($\triangle$PRT)

So Area of $\triangle$PRT = 0.5(Area of hexagon PQRSTU)

**5) Answer (B)**

The length of the diagonals of a regular hexagon with side s are $\sqrt{3}s$.

Here length of AC =

$\sqrt{3}s$ = $\sqrt{3}$ cms

Hence area of the square = $\sqrt{3}^2$ = 3 sq cm

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