jessica7946 jessica7946

13-05-2021
Mathematics

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Find the length of BC and CD in the above triangle

Find the length of BC and CD in the above triangle class=

Respuesta :

yinaanna0 yinaanna0

13-05-2021

Answer:

BC=3root7

CD=root58

Step-by-step explanation:

According to Pythagorean theorem, in a right triangle,a^2+b^2=c^2. a, b are two legs of right triangle. Cis the hypotenuse

12^2-9^2=63

BC=root63=3root7

BD^2-BC^2=CD^2

121-63=CD^2

CD=root58

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