Construct a right triangle whose perimeter is equal to 10cm and one acute angle is 60°

Which expression converts 45 degree to radians

What is the ratio of the length of an object in yards to the length of the same object in miles?

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?