The area of a triangle with vertices A(3, 0), B(7, 0) and C(8, 4) is

Given,

Vertices of the triangle are,

A (x₁, y₁),

B (x₂, y₂) and

C (x₃, y₃)

By using the formula;

We have;

Area of triangle =|  |

=|

=| |

=| |

= 8

Hence, the required area of ΔABC is 8.