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vitfil [10]
3 years ago
8

With the sun at an angle of 30 degrees to the ground, a tree casts an 80 ft shadow. how tall is the tree?

Mathematics
1 answer:
Sholpan [36]3 years ago
8 0
Let tree's height = h

h/80 = tan 30
⇒ h = 80 tan 30
⇒ h = 80 * 1/√3
⇒ h = 46.19 ft

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Let f(x)=x^2-8x+5. Find f(-1)
polet [3.4K]
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3 0
3 years ago
125 thousandths = 1 tenth and ______ thousandths..... HELP
Evgen [1.6K]
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3 0
3 years ago
Someone please help me
Lesechka [4]

If these 2 triangles are similar to each other, the corresponding sides have to exist in proportion to one another. The angles would be exactly the same (side length doesn't matter at all!). Going from the bigger triangle to the smaller, KL corresponds to RS; LJ corresponds to SQ; JK corresponds to QR. The ratio of KL:RS is 5:1; the ratio of LJ:SQ is 5:1; the ratiio of JK:QR is 5:1. That means that the sides are all proportionate and the triangles are similar by the SSS postulate. Now that we know that the triangles are similar, we can say that all the corresponding angles are the same by CPCTC but we had to determinte side similiarity first. Your answer is the second choice, SSS

8 0
3 years ago
Is this correct? please do let me know honestly.
Wittaler [7]

Answer:

You're correct.

5 0
2 years ago
Divide 735 in the ratio 3:2
Irina18 [472]
First add the 2 numbers in the ratio:

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divide the 735 by 5:

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now multiply 147 by 3 and then by 2 and that will be the ratios:

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147 * 2 = 294
6 0
4 years ago
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