SOLUTION: a parallelogram has a side of 12cm and 20cm long,if the shorter altitude is 6cm how long is the other altitude.

Algebra ->  Parallelograms -> SOLUTION: a parallelogram has a side of 12cm and 20cm long,if the shorter altitude is 6cm how long is the other altitude.      Log On


   



Question 772864: a parallelogram has a side of 12cm and 20cm long,if the shorter altitude is 6cm how long is the other altitude.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A = b*h/2

A = 20*6/2

A = 120/2

A = 60

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A = b*h/2

60 = 12*h/2

60 = 6*h

60/6 = h

10 = h

h = 10

So the other altitude is 10 cm