Question

One Mark
1. Side of an Equilateral triangle is 4cm. Its area is
a) 473 cm b) * cm? c) V3 cm d)213 cm
2. If the perimeter of an equilateral triangle is 60 cm, then what is its area?
a) 200V2cm? b) 100V2cm? c)100V3cm? d. 200V3cm
3. Find the area of the equilateral triangle whose perimeter is 180 cm?
Which of the following is true?
a) 900(3)1/2 cm² b)300(3)12 cm? c)200(3)12 cm? d) None of these
4.Area of a triangle having base 6cm and altitude 8cm is
c) 64 cm
d)36 cm?
a) 48 cm
b)24 cm
5. The semi perimeter of a triangle having sides 4cm, 7cm and 5cm is
a) 16cm b) 14cm
c)7cm d)8cm.

Answer 1

Answer:

V3 cm

a) 200V2cm?

3)12 cm?

a) 48 cm

d)8cm.