NCERT Solutions Class 9 Maths Chapter 7 – Triangles Exercise 7.5

Chapter 7 – Triangles Exercise 7.5

(Q 1) ABC is a triangle. Locate a point in the interior of ∆ ABC which is equidistant from all the vertices of ∆ ABC

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(Q 2) In a triangle locate a point in its interior which is equidistant from all the sides of the triangle.

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(Q 3) In a huge park, people are concentrated at three points (see Fig. 7.52):
A : where there are different slides and swingsfor children,
B : near which a man-made lake is situated,
C : which is near to a large parking and exit.
Where should an icecream parlour be set up so that maximum number of persons can approach it?
(Hint : The parlour should be equidistant from A, B and C)

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(Q 4) Complete the hexagonal and star shaped Rangolies [see Fig. 7.53 (i) and (ii)] by filling them with as many equilateral triangles of side 1 cm as you can. Count the number of triangles in each case. Which has more triangles?

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