What is the length of the hypotenuse of the triangle?
√ 20 cm
√ 23 cm
√ 40 cm
√ 58 cm
![What is the length of the hypotenuse of the triangle 20 cm 23 cm 40 cm 58 cm class=](https://us-static.z-dn.net/files/dd5/72edea8e350775964bb6293152f9a0c4.jpg)
Answer:
√58 cm.
Step-by-step explanation:
The hypotenuse is the line AB.
Using the Pythagoras theorem:
AB^2 = 3^2 + 7^2
AB^2 = 9 + 49 = 58
AB = √58 cm.