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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

In an election there were three candidates 1st candidate got 3/7 of total votes , the 2nd candidate got 2/5 of total votes . Find the fraction of votes

Let the no.of votes received by 3rd candidate be x 1st candidate got 3/7 of x = 3/7 2nd candidate got 2/5 of x = 2/5 ⇒ 3/7 + 2/5 +x = 1 ⇒ (15 + 14 +35x) /35 = 1 ⇒ 29 + 35x = 35 ⇒ 35x = 35 - 29 ⇒ 35x = 6 ⇒ x = 6/35 ∴ The fraction of votes the 3rd candidate received = 6/35

In triangle ABC, right angled at C, CD is perpendicular to AB. Prove that: CD²=AD×DB. I know that I've to use AA test of similarity but which two angles are similar?