Question

The base of isosceles right ∆ is 30 cm. Its atea is :

Answer 1

If base is 30 CM, then height is also 30 CM (Isosceles Δ)

Area=½×base×height
Area=½×30×30
Area=½×900
Area=450.cm²

Answer 2

it has two solutions

first, 30*30*/2=450cmsq.

second, 15root2*15root2/2=225cmsq.