1. define the word "ratio."

2. describe the ratio of shaded stars to white stars in the formats a to b, a: b

Can someone me do math because i am having a breakdown rn because i don’t get it

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false