The table given below contains some measures of the right angled triangle. Find the unknown values

S. No	Base	Height	Area
i)	20 cm	40 cm	?
ii)	5 feet	?	20 sq. feet
iii)	?	12 m	24 sq. metre

Find the perimeter of
i) A scalene triangle with sides 7 m, 8 m, 10 m.
ii) An isosceles triangle with equal sides 10 cm each and third side is 7 cm.
iii) An equilateral triangle with side 6 cm

A piece of wire is 36 cm long. What will be the length of each side if we form
i) a square
ii) an equilateral triangle.

From one vertex of an equilateral triangle with side 40 cm, an equilateral triangle with 6 cm side is removed. What is the perimeter of the remaining portion?

Your garden is in the shape of a square of side 5 m. Each side is to be fenced with 2 rows of wire. Find how much amount is needed to fence the garden at Rs. 10 per metre.