Question

c) find area

Explanation:

Step1: Identify triangle type

The triangle has two 45° angles and a right angle, so it's an isosceles right triangle with legs = 6.

Step2: Calculate area

Area formula for triangle: $\frac{1}{2} \times base \times height$. Substitute values: $\frac{1}{2} \times 6 \times 6 = 18$.

Answer:

18