He figure is rotated counterclockwise. Which rotation could have taken place? a 45° rotation
a 90° rotation
a 135° rotation
a 225° rotation

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.