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Timed Test For
Find missing length when given area of a triangle
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Sample Problem
The triangle shown below has an area of $40$ units$^2$. **Find the missing side.** [[☃ interaction 2]] $x = $ [[☃ math-keypad 1]] units
The triangle shown below has an area of
40
40
4
0
units
2
^2
2
.
Find the missing side.
Created with Raphaël
Created with Raphaël
9
9
9
8
8
8
x
x
x
x
=
x =
x
=
Check Answer
units
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
