Question

if P(4,2),Q(14,5)andR(6,4)are the vertices of triangle PQR, find area of triangle PQR​

Answer 1

Answer:

P(4,2) x1,y1

Q(14,5) x2,y2

R(6,4) x3,y3

area of triangle =

1/2 | x1(y2-y3) + x2(y3-y1) + x(3y1-y2) |

1/2 | 4(5-4) + 14(4-2) + 6(2-5) |

1/2 | 4 + 28 - 18|

1/2 | 14 |

1/2 x 14

7

PLZ MARK ME AS BRAINLIEST