ABC and AED are straight lines.<br />BE and CD are parallel.<br />A<br />B<br />С<br />AD = 10.5 cm<br />AE = 4.2 cm<br />BE = 2.9 cm<br />a) Work out length CD.<br />E<br />AC = 8.75 cm<br />b) Work out length BC.<br />Clip 144<br />View One Minute Version<br />Find a cap<br />Choose Clip ()​

WHAT IS THIS?

Step-by-step explanation:

the least value out of the data shown is 5, maybe if you post a picture with it i could a little more.

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it