Question

Answer question no. 3 all parts. I will mark as brainliest

Answer 1

By Pythagoras Theorem
a. AC equals to 8
$8 \sqrt{2}$
Area equals to 1/2 multiplied by base into height
1/2 multiplied by 8 multiplied by 8 equals to 32

Answer 2

this sum can be done by using the area of isosceles right angled triangle.

AREA OFA RIGHT ANGLED TRIANGLE = 1/2× BASE × HEIGHT