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Construct a Triangle Using the Following Data: De + Ef = 10.3 Cm, Ef = 6.4 Cm and ∠E = 75° - Mathematics

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Question

Construct a triangle using the following data: DE + EF = 10.3 cm, EF = 6.4 cm and ∠E = 75°

Sum

Solution

DE + EF = 10.3 cm, EF = 6.4 cm and ∠E = 75°

Steps of construction:
1. Draw a line segment EF = 6.4 cm.
2. With E as centre, construct ∠SEF = 75°
3. Cut ET = 10.3 cm on ES.
4. Join TF.
5. Draw perpendicular bisector of TF which cuts ET at D.
6. Join DF.
Thus DEF is the required triangle.

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Chapter 14: Constructions of Triangles - Exercise 14.1

APPEARS IN

Frank Mathematics [English] Class 9 ICSE
Chapter 14 Constructions of Triangles
Exercise 14.1 | Q 10.3
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