Find the area of a right-angled triangle whose base is 12 cm and hypotenuse is 13cm.
Correct Answer: Option A
Height of the triangle = \(\sqrt{\left(13^2-12^2\right)}=\sqrt{25}\) = 5 cm.
Its area = \(\frac12\ast base\ast height\) = \(\frac12\ast12\ast5\) = \(30cm^2\)
Download our app for free and access thousands of MCQ questions with detailed solutions