Lisa wants to measure the height of a tree. She walks exactly 50 feet from the base of the tree and looks up. The angle from the ground to the top of the tree is 72°. How tall is the tree?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

If rt is greater than ba, which statement must be true ?

Indicate the formula for the following conditions: p^c(n,r)=