sumathi says that the area of a triangle PQR is, A=1/2×8×7 CM. rajini says that it is A=1/2×9×7 cm. who is correct? give reason?



please answer me fast!!! ​

sumathi says that the area of a triangle PQR is A1287 CM rajini says that it is A1297 cm who is correct give reason please answer me fast class=