Complete the hexagonal and star shaped Rangolies (see fig. (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?

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?

d e eluidistant from A, B and C) Complete the hexagonal and star shaped Rangolies [see Fig.7.53 ) and (i)] by filing them with as many equilateral triangles of side 1 cm as you can. Count the number o riangles in each case. Which has more triangles? 5 cm 5 cm ? 5 cm 5 cm

Oul houlu Be equidistant from A, B and C) lete the hexagonal and star shaped Rangolies (see Fig. 7.53 0) and Complete the 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? 5 cm 5 cm ? 5 cm / ? 5 cm Fig. 7.53

Find the perimeter of each of the following shapes : An equilateral triangle of side 9 cm.

Each side of an equilateral triangle is 10 cm. Find (i) the area of the triangle and (ii) the height of the triangle .

Find the area of an equilateral triangle each of whose sides is 10 cm. [Take sqrt3 = 1.73] .

Three charges each of 8 mu C are fixed on vertices of an equilateral triangle of side 1cm. The force on a unit test charge kept at centroid of the triangle will be

Can you draw a triangle which has no lines of symmetry? Sketch a rough figure in each case.