Triangle ABC has perimeter 20 cm. AB = 7 cm. BC = 4 cm. By calculation, deduce whether triangle ABC is a right-angled triangle

asked Nov 26, 2022 160k views

0 votes

Triangle ABC has perimeter 20 cm.

AB = 7 cm.
BC = 4 cm.
By calculation, deduce whether triangle ABC is a right-angled triangle

7.8k points

Please log in or register to add a comment.

4 votes

Answer: 28.

Step-by-step explanation: Because if you times 7 and 4 you get 28.

Ruprit answered Dec 1, 2022