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Dahasolnce [82]
3 years ago
15

Is it possible to have a triangle with two right angles? Explain your reasoning.

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
6 0

Answer and Explanation:

Because of the fact that the sum of the three interior angles of a triangle must be 180 degrees, a triangle could not have two right angles.

kifflom [539]3 years ago
6 0

Answer:

No

Step-by-step explanation:

For something to be considered a triangle, the sum of its angles must be 180 degrees. Right angles are 90 degrees. And since triangles must have 3 angles, it could not work. 80+80 exceeds 180.

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Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

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P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

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Step-by-step explanation:

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