Which of these sets of angle measures could be the three angles in a triangle? A)50, 60, 70 B)40. 50. 60
C)60. 70. 80
D)70, 80, 90

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way