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Mathematics 18 Online
OpenStudy (anonymous):

See attachment.

OpenStudy (anonymous):

OpenStudy (anonymous):

Question?

OpenStudy (anonymous):

Solve the right triangle.

OpenStudy (anonymous):

Want to find the third side?

OpenStudy (anonymous):

All sides and angles that aren't given.

OpenStudy (anonymous):

length of the remaining side is 21.91

OpenStudy (anonymous):

how?

OpenStudy (anonymous):

Pythagoras theorem

OpenStudy (anonymous):

sqrt(529-49)

OpenStudy (anonymous):

Oh, I was being narrow minded!

OpenStudy (anonymous):

angles?

OpenStudy (anonymous):

\[\sin \theta = 7/23\]

OpenStudy (anonymous):

For angle TUS

Directrix (directrix):

23^2 = 7^2 + (UT)^2 529 -49 =( UT)^2 4 sqrt(30) = UT 21.9 = UT Cos (S) = 7/23 S = 72.3 U = 90 – 72.3 U = 17.7 Angles: 90, 72.3, and 17.7 Sides: 7, 21.9, 23 Check my work

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