Triangle ABC has a perimeter 22cm AB=8cm
BC=5cm
by calculation, deduce whether ABC is a right angle triangle? ​

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

How do you find the area of a triangle

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck