Answer:
280.8 and the formula is Base x Height = ? x.5
Step-by-step explanation:
(31.2 x 18) x 0.5 =280.8
Theorem: when all three sides of triangles are equal then the triangles are congurent..
You did a simple mistake by forgetting to add 4 to itself in the square root. (-4^2=16)
x=(4 +/- sqrt(16-8))/4
x=(4 +/- sqrt(8))/4
Is this enough to get you started again?
Answer:
x=3.75
Step-by-step explanation:
-4(1.5-x)=9
first distribute
6-4x=9
then isolate the variable
