Find solutions to your questions with the help of IDNLearn.com's expert community. Ask any question and receive accurate, in-depth responses from our dedicated team of experts.

What is the length of the side marked x to the nearest tenth? (giving brainliest and thanks to all!)

What Is The Length Of The Side Marked X To The Nearest Tenth Giving Brainliest And Thanks To All class=

Sagot :

Answer:

Step-by-step explanation:

pythagors theorem

a^2+b^2=c^2

15^2+x^2=21^2

225+x^2=441

x^2=441-225

x=[tex]\sqrt{216[/tex]

x=6[tex]\sqrt{6[/tex]

=14.69

x=14.7 km