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Construct Triangleabc Such that Ab = 2.5 Cm, Bc = 6 Cm and Ac = 6.5 Cm. Measure ∠B. - Mathematics

Construct ΔABC such that AB = 2.5 cm, BC = 6 cm and AC = 6.5 cm. Measure ∠B.

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Solution

The steps of construction are as follows.

1) Draw a line segment BC of length 6 cm

2) Taking point C as centre, draw an arc of 6.5 cm radius.

3) Taking point B as centre, draw an arc of radius 2.5 cm to meet the previous arc at point A.

4) Join A to B and C.

ΔABC is the required triangle. ∠B can be measured with the help of protractor. It comes to 90º.

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APPEARS IN

NCERT Class 7 Maths
Chapter 10 Practical Geometry
Exercise 10.2 | Q 4 | Page 199
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