DangsinSaranghaeKPOP DangsinSaranghaeKPOP

23-11-2015
Mathematics

Answered

Triangle ABC, ∠ B is the right angle, AB = 36 cm, and BC = 28 cm. If the similar figure DEF, DE = 9 cm what is the area of DEF?

Verified Answer :

arnzenegger arnzenegger

23-11-2015

AB = 36 cm
BC = 28 cm

Since they are similar figures:

36/28 = 9/EF

36EF = 289

EF = 252/36 = 7 cm

Finding the area:

Area = 1/2 DE EF

Area = 1/2 9 * 7

Area = 31.5 cm^2

Answer Link

Related Questions

Which of the following describes an organelle that both prokaryotic and eukaryotic cells have in common This organelle contains the cells DNA and is where DNA r

A trap insects is in the shape of a triangular prism The area of the base in 35in and the height of the prism is 5in What is the volume of this trap

Donna has a new job her annual starting salary is 17600 and she receives a raise of 850 at the end of each year which expression models her salary at the beginn

Which process produces four new cells with half of the chromosomes as the parent cell Mitosis Meiosis Cell division Sexual reproduction

HELP THIS IS DUE IN 5 MINUETS YOU DONT HAVE TO EXPLAIN THE ANSWER Since its Wednesday Buy for Less gives a 5 discount for purchases The items in Rhondas cart to

what inequality sign do you use if x is a nonnegative number

Equivalent ratios 78100 to 3950

Find the geometric mean of 275 and 11 275xx11 x2 3025 xsq rt 3025 now Im not sure what to do

One way parents and guardians can influence technology use is to model proper use for their children What outcome would you expect if this guideline was followe

Explain in detail the unique properties of water that allow life to exist on earth

Web Analytics Made Easy - Statcounter