SOLUTION: A rectangular picture frame has a length of x cm. and a width of 30 cm. If the diagonal is 50 cm, what is the length?
Algebra ->
Pythagorean-theorem
-> SOLUTION: A rectangular picture frame has a length of x cm. and a width of 30 cm. If the diagonal is 50 cm, what is the length?
Log On
You can put this solution on YOUR website! ---
d = sqrt( LL + ww )
dd = LL + ww
LL = dd - ww
L = sqrt( dd - ww )
---
x = sqrt( 50*50 - 30*30 )
---
answer:
x = length = 40 cm
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
