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AnnyKZ [126]
3 years ago
9

If a leaf on the ground is 80 feet from the base of a tree, and the angle of elevation to the top of the tree from the leaf is 4

6 degrees. Then how tall is the tree?

Mathematics
2 answers:
rusak2 [61]3 years ago
6 0

Answer:

82.8424 feet

Step-by-step explanation:

The leaf, the base of the tree and the top of the tree form a triangle.

The adjacent cathetus to the 46 degrees angle is 80 feet. The opposite cathetus to the 46 degrees angle is the tree height that we want to know. So, using the relation between the opposite cathetus and the adjacent cathetus (so the tangent of the angle), we can find the tree height (h):

tan(46) = h/80 = 1.0355

h = 80*1.0355 = 82.8424  feet

coldgirl [10]3 years ago
5 0

Answer:

57.55 feet

Step-by-step explanation:

An image was attached to provide the necessary explanations.

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Answer:

13

Step-by-step explanation:

8-5x^3, if x = -1

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yulyashka [42]
Yes the answer is correct
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2/3 of a pizza has olives on it . If Vivian eats 1/2 of the olive pizza , what fraction of the whole pizza did she eat ? Comment
My name is Ann [436]

Answer:

33% of a whole pizza

Step-by-step explanation:

2/3 of 100% = 66%

so 66% of the pizza has olives

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8 0
3 years ago
Robbert wants to put lights around the edge of his yard.The yard if 40 feet long and 23 feet wide.How many yards of light does h
slega [8]

Answer:

102.222 square yards of light.

Step-by-step explanation:

From the above question, the yard had the dimensions 40 feet long and 23 feet wide.

Hence, the yard is rectangular in shape.

We have to find the area of the yard.

The formula is given as:

Area = Length × Width

= 40 feet × 23 feet

= 920 square feet

Converting to yards

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920 square feet = x

Cross Multiply

x = 920 × 0.111 square yard

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Therefore, Robbert would need 102.222 square yards of light.

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Why is it preferable to measure a penny in millimeters?
White raven [17]
When measuring a penny, using the millimeter measurement would be more accurate then using inches or centimeters.
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