Question

Please help thank you

Please help me! image is below


If PR is 4, WQ is 8, and QR is 5, SP = ___ units

Answer 1

From the attached graphic, we can see:

(SP + PR) * PR = (WQ + QR) * QR

SP * PR + PR^2 = WQ * QR + QR^2

4 SP + 4*4 = 8 * 5 + 25

4 SP + 16 = 65

4 SP = 49

SP = 49 / 4

SP = 12.25

Explanation: