The number 64 is both a perfect square and a perfect cube a. find √ 64 and
∛ 64

b. explain why 64 has a second square root that is negative but only one cube root

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.

Angle 1 and angle 2 are a linear pair . m angle 1 =x-39 and m angle 2 =x+61 find the measure of each angle