the length of a rectangle is 5cm, and the width is 2 cm. If both the length and the width are increased by equal amounts, the area of the rectangle is increased by 60cm ^2 find the length and width of the larger rectangle

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.

hey there : ) your answer would be a.

step-by-step explanation: