Question

Plot the points A(2,5)B(-2,2)C(4,2) ON GRAPH PAPER JOIN AB BC AC AND CALCULTE THE AREA OF TRIANGLE

Answer 1

Step-by-step explanation:

Construct a line AM which is perpendicular to BC.

Area of ΔABC=

2

1

×b×h=

2

1

×BC×AM.

So on further calculation we get

Area of ΔABC=

2

1

×6×3

Area of ΔABC=9 sq. units