Selina Concise Mathematics Class 9 ICSE Solutions Solution of Right Triangles

Selina Concise Mathematics Class 9 ICSE Solutions Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]

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Selina ICSE Solutions for Class 9 Maths Chapter 24 Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]

Exercise 24

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Thus AB = AC + CD + BD = 54.64 cm.

Solution 8:
First draw two perpendiculars to AB from the point D and C respectively. Since AB|| CD therefore PMCD will be a rectangle.
Consider the figure,

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Solution 15:
Given that the ladder makes an angle of 30o with the ground and reaches upto a height of 15 m of the tower which is shown in the figure below:

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Solution 20:

We also know that in rhombus diagonals bisect each other perpendicularly and diagonal bisect the angle at vertex.
Hence POR is a right angle triangle and