monkey98 monkey98

22-03-2018
Mathematics

contestada

△ABC is similar to △DEF .

AB=5 inches, BC=9 inches, and DE=7.5 inches.

What is EF ?

Respuesta :

mathstudent55 mathstudent55

22-03-2018

Similar triangles have corresponding sides with proportional lengths.

AB/BC = DE/EF

5/9 = 7.5/EF

5(EF) = 9 * 7.5

5(EF) = 67.5

EF = 13.5

Answer Link

saulmgdhd saulmgdhd

22-03-2018

I think the answer is 13.5. △DEF is 1.5 times bigger than △ABC

Answer Link

Otras preguntas

suffix:affix:: _____

Does the solvent always have to be a liquid

what is the meaning of evil-doer a kenning word

Did Admiral Yamamoto make a wise decision in bombing Pearl Harbor? Why or why not?

what was the first act that the parliament passed in an attempt to raise revenue by taxing the American colonists

Which words in the sentence makes up the adverb phrase? Slowy but surely my shoes filled with sand. a. Filled b. My shoes c. With sand d. Slowly but surely

How did World War I create an atmosphere for political change in both India and Southwest Asia?

In the 1920s what did business and industries do that caused the economy to slow down ?

Which sentence does not contain any errors in the use of italics or quotation marks? a. The first human lunar landing was during the Apollo 11 mission. b. "Apol

MARK ALL the statement if it accurately describes one of the steps taken to transform Paris. a. The wealthy people moved out to the suburbs. b. Broad boulevards