Question

3. Find the area of the quadrilateral shown :​

Answer 1

Answer:

Area of first triangle:-

Sides of first triangle:-8, 11,7

Area of first triangle:-1/2×b×h

=1/2×8×7

=1×4×7

=28 unit².

Area of second triangle:-

Sides of second triangle:-5,7, 4

Area of the second triangle:-1/2×b×h

=1/2×4×7

=1×2×7

14 unit².

Area of the quadrilateral:-

Area of the first triangle+Area of the second triangle

=28+14

=42 unit² Ans.

I hope it will be help you!!!