Question

on a 45 45 90 triangle, how do you get the other sides if the hypotenuse is 7

Answer 1

well, have you learned about sine, cosine, and tangent yet?

Answer 2

yes

Answer 3

so a good start is to draw the standard 45 45 90 triangle with side length 1 and label it all

Answer 4

yeah I have the standard its 1 on 2 sides and square root of 2 on the hypotenuse

Answer 5

ok can you draw that here real quick

Answer 6

45-45-90 rule -> http://www.mathwarehouse.com/geometry/triangles/right-triangles/images/picture-45-45-90-special-right-triangle.png

Answer 7

then we will fill in our sides

Answer 8

on another similar figure

Answer 9

you can derive that and it's better to learn how than memorize