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Valentin [98]
3 years ago
9

The ratio of the angles of a triangle is 3:8:4. What is the size of the largest angle?

Mathematics
1 answer:
Phantasy [73]3 years ago
7 0

Answer: 96°

Step-by-step explanation:

Sum of angles of a triangle = 180°

3 + 8 + 4 = 15

The biggest angle is 8/15 * 180 = 96°

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With the sun at an angle of 30 degrees to the ground, a tree casts an 80 ft shadow. how tall is the tree?
Sholpan [36]
Let tree's height = h

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

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Michiko bought pens for $3.85 and pencils for $1.25 how much did she spend all together? ​
seropon [69]

Answer:

5.1 :)

Step-by-step explanation:

3 0
3 years ago
Need help with 1st question !!! Will mark brainlest!!
hjlf
  1. You would calculate this answer with the Pythagorean theorem. The formula is a² + b² = c², which basically means that the sum of two sides squared would equal the side that is missing.
  2. Currently, we are given 6.5 for side 1. The angle measurments we are given is 45º and 90º [the right angle], which means that if we subtract the sum of 45 and 90 from 180 [the total degree amount of every triangle] we can get the missing angle. With the missing angle, we can calculate the length of the second side.
  3. 45º + 90º = 135º. 180º - 135º = 45º.
  4. Now that we have the angles of all three sides [45º, 90º, 45º] we can find the second length of the triangle. The fact that two angles are the same [45º] means that the length is also the same.
  5. Thus proving that M is also 6.5 in length, we can square 6.5 and add both sides to each other once squared.
  6. 6.5² = 42.25.
  7. 42.25 + 42.25 = 84.5.
  8. The square root of 84.5 is 9.19, or 9.2 rounded.

<h2>9.2</h2>
4 0
3 years ago
Draw a graph for the situation.
n200080 [17]
It will be a discrete graph, where there is no dependant nor independent variables, they are not related by any means.

Hope this helps.

6 0
3 years ago
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