# NCERT Class 7 Mathematics Solutions: Chapter 10 –Practical Geometry Exercise 10.2 Part 1

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1. Construct in which , .

Answer:

**To construct: **

, where .

**Steps of construction:**

(a) Draw a line segment

(b) Taking as centre and radius , draw an arc.

(c) Similarly, taking as centre and radius , draw another arc which intersects first arc at point .

(d) Join and

It is the required.

2. Construct an equilateral triangle of side

Answer:

**To construct: ** where

**Steps of construction:**

(a) Draw a line segment.

(b) Taking points as centres and radius, draw arcs which intersect at point .

(c) Join

It is required triangle.