Which of these equations could be used to solve for the third side of a right triangle, given one leg of 10 and a hypotenuse of 11?

x² ＝ 10² + 11²

11² ＝ x² + 10²

11² ＝ x² – 10²

any of these

How can you find the distance between the points (8, 5) and (0, -1)?

Calculate 13 – 1.

Use the Pythagorean theorem for a triangle with legs of length 3 and 1.

Use the Pythagorean theorem for a triangle with legs of length 8 and 4.

Use the Pythagorean theorem for a triangle with legs of length 8 and 6.

Which of these distances can be found without the Pythagorean theorem?

from (3, 9) to (5, 6)

from (3, 9) to (5, 9)

from (3, 9) to (9, 6)

from (3, 9) to (10, 12)

How big is the largest angle in a triangle with sides of length 4, 7, and 8?

much larger than 90°

a little larger than 90°

much smaller than 90°

a little smaller than 90°