Answer: 61.16 ft
Step-by-step explanation:
We can think in this situation as a triangle rectangle.
where:
The height of the tree is one cathetus
The shadow of the tree is the other cathetus.
We know that the angle of elevation of the sun is 78°, an angle of elevation is measured from the ground, then the adjacent cathetus to this angle is the shadow of the tree. And the opposite cathetus will be the height of the tree.
Now we can remember the relationship:
Tg(A) = (opposite cathetus)/(adjacent cathetus)
Where:
A = 78°
Adjacent cathetus = 13ft
opposite cathetus = height of the tree = H
Then we have the equation:
Tg(78°) = H/13ft
Tg(78°)*13ft = H = 61.16 ft
[ Answer ]
[ Explanation ]
- How Is This Written: Five less than a number is equal to twenty
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- What We Know:
- Less Than Is Subtraction
- N is more than 5
5 Less Than N
N - 5
Is Equal To Twenty
N - 5 = 20
![\boxed{\bold{[] \ Eclipsed \ []}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cbold%7B%5B%5D%20%5C%20Eclipsed%20%5C%20%5B%5D%7D%7D)
Step-by-step explanation:
√18
√9 x 2
3√2
√36
√6
√23
For √23, Idk...
√32
√4 x 8
2√8
2√4 x 2
2 x 2√2
4√2
√29
For √29, IDK...
I'm really really sorry if I wasn't much of a help..... And I'm sorry if I was incorrect...
