Auniform piece of wire, 20 cm long, is bent in a right angle in the center to give it an l- shape. how far from the bend is the center of mass of the bent wire?

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Asphere has a diameter of 10 in. what is the volume of the sphere?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.