Answer
40.9
Step-by-step explanation:
Answer:
The height of the triangle is
cm.
Step-by-step explanation:
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The formula for solving the area of a triangle is
where
stands for base and
stands for height.
Let's substitute 30
for the area and 10 for the base.

-------------------->>>>
Now, let's solve to find the height.

Multiply
times 

Divide both sides by 5.

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Hope this is helpful.
Blue 9 x 3 = 27
red 3 x 3 = 9
27 + 9 = 36
I hope this helps
D ~ Positive Exponetial growth. Hope it helped!!! <3 (^u^)
Answer
Subtract
from 
then;

Remove the bracket we have;

Like terms are those terms which have same variable to the same power.
Combine like terms;

Therefore, Subtracting
from
we get 