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kiruha [24]
3 years ago
15

Classify the triangle if two angles in the triangle measure 40 and 50°.​

Mathematics
2 answers:
vaieri [72.5K]3 years ago
6 0

Answer:

Right Triangle

Step-by-step explanation:

Let's find the missing angle:

180 - (40 + 50)

180 - 90 = 90°

So we have a right triangle!

pickupchik [31]3 years ago
4 0

Answer:

Right Triangle

Step-by-step explanation:

If one of the angles measure 40 and the other 50 that means that the final angle is 90 which makes it a right triangle.

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Daniel, my son, is exactly one fifth of my age. in 21 years time, i will be exactly twice his age. my wife is exactly seven time
nydimaria [60]
Let daniel's age = d and let jessica's age = j
let your current age = x and your wife's current age = y

x = 5d (given in question)
∴ x - 5d = 0

x + 21 = 2(d+21) (given in question)
∴ x + 21 = 2d + 42
∴ x - 2d = 21

We can solve these two rearranged equations simultaneously by multiplying the first equation by -1 and adding them. This gives us the following:

3d = 21
∴ d = 7

This means that daniel is currently 7 and (if we substitute d = 7 into one of the equations) you are 35. We use a similar method for your wife's and jessica's current ages.

y = 7j (given in question)
∴ y - 7j = 0

y + 8 = 3(j + 8)
∴y + 8 = 3j + 24
∴ y - 3j = 16

If we use a similar method of elimination we get this:

4j = 16
∴ j = 4

Hence, from this we can concur that daniel is 7 and jessica is 4.
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What is tempo?
Alex

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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