Question

Theresa bought a new desktop computer. One side of the desktop screen is 14 inches and the

Answer 1

Answer:

23 inches

Step-by-step explanation:

assuming that the desktop screen is a rectangle, then it's diagonal will form two right triangles.

by the Pythagorean theorem

${a}^{2} + {b}^{2} = {c}^{2} \\ a = 14 \: and \: b = 18 \\ c = the \: hypoteneuse$

then

${14}^{2} + {18}^{2} = {c}^{2} \\ 196 + 324 = {c}^{2} \\ 520 = {c}^{2} \\ \sqrt{ {c}^{2} } = \sqrt{520} \\ c \: \: is \: a pprox. \: \: 22.8 in \\ c \: \: rounded \: is \: 23in$