841 inches^2.
What is the length of the unknown side of this triangle?
2 answers:
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841 inches^2.
Answer:
Area of the circle =
Step-by-step explanation:
Radius of the circle=
Area of the circle=
As,
Area of the circle is:
The Area of the circle is :
Answer:
Height of fir tree = 9 meters
height of pine tree= 12 meters
Step-by-step explanation:
The combined height of one fir tree and one pine tree is 21 meters. The height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.
Let x be the height of fir tree and y be the height of pine tree
Subtract x from both sides
height of 4 fir trees = pine tree +24
Substitute 21-x or y in the above equation
Add x on both sides
Divide by 5 on both sides
x=9
Now plug in 9 for x and find out y
y=12
Height of fir tree = 9 meters
height of pine tree= 12 meters