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Question

Draw a right triangle in which the sides (other than hypotenuse) are of lengths 5 cm and 4 cm. Then construct another triangle whose sides are 53 times the corresponding sides of the given triangle.

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Solution

Given , a right angled ΔABC , in which BC=4cm,AB=3cm .

Here scale factor=53>1

Steps of construction:

1. Draw a line segment BC=4cm.

2. At B draw B=90° and cut off BA=3cm from it.

3. Join AC. Thus ΔABC is a given right angled Triangle.

4. Now from B draw a ray BY making an acute CBY on the side opposite to the vertex A.

5. Mark 5 points B1,B2,B3,B4 & B5 on BY such that BB1=B1B2=B2B3=B3B4=B4B5.

6.Join B3C and from B5 draw B5C||B3C intersecting BC at C.

7. From point C draw CA||CA intersecting AB at A.

Thus, ΔABC is the required triangle whose sides are 53 of the corresponding sides of ΔABC.

1370696_971778_ans_071a700c53aa419f9f332aeec8bf07ec.png

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