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Zigmanuir [339]
4 years ago
11

A triangle has vertices (2, 5), (8, 3), and (2, 1). Classify the triangle by its angles and its sides. right isosceles acute equ

ilateral right equilateral acute isosceles
Mathematics
1 answer:
Delicious77 [7]4 years ago
5 0

Answer:

acute isosceles

Step-by-step explanation:

Let A(2,5),B(8,3),C(2,1)

By distance formula,AB=BC=40^0.5

Hence, it is an isosceles triangle

Since AC=3, by cosine formula, AC=√(AB^2)+(BC^2)-2(AB)(BC)cosABC

angle ABC=36.8698765

Hence,it is an acute isosceles triangle

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Step-by-step explanation:

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Hope this helps

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3 years ago
What is the solution set of {x | x > -5} {x | x < 5}?
Yuri [45]

Answer:

<em>The numbers between -5 and 5</em>

Step-by-step explanation:

Intersection of Intervals

Given the intervals A,B,C,etc. The intersection of them all is the set of all values that are common to all the intervals.

We must find

\{x | x > -5\} \bigcap \ \{x | x < 5\}

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3 years ago
What are the possible rational zeros of f(x) = x4 + 2x3 − 3x2 − 4x + 12?
Mrrafil [7]
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for x^4:
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2*2

for 12:
1*12
2*6
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then divide all of this, and include the +/-'s of each. By divide, I mean take all the factors of the first term, aka the numerator, and those are possible rat. 0's. Then divide all those by the factors of the coefficient. Remove any duplicates.
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