For which of the following triangles would a side–based method of finding area be the…

MATHEMATICS · Single correct · CBSE · Mathematics · Area · Area

Problem

For which of the following triangles would a side–based method of finding area be the most straightforward to apply? (a) A triangle whose base is

9\,\text{cm}

and corresponding height is

4\,\text{cm}

(b) A triangle with sides

7\,\text{cm}

8\,\text{cm}

and

9\,\text{cm}

but no altitude known (c) A right triangle with perpendicular sides

6\,\text{cm}

and

8\,\text{cm}

(d) An isosceles triangle whose base is

10\,\text{cm}

and altitude is

12\,\text{cm}