anonymous
  • anonymous
Very easy! Ready? A triangle has side lengths of 34 in, 28 in, and 42 in. is this triangle acute,obtuse, or right?
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
What do you think the answer is?
anonymous
  • anonymous
I already have the answer. It would ruin it.
triciaal
  • triciaal
|dw:1438054391038:dw| think obtuse

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

wolf1728
  • wolf1728
Wouldn't you use the law of cosines to get one angle, then use the law of sines?
anonymous
  • anonymous
so your answer is obtuse.
triciaal
  • triciaal
yes because one angle is more than 90 but I don't see a triangle with those measurements
triciaal
  • triciaal
@wolf1728 yes
wolf1728
  • wolf1728
I know the answer - it is acute
triciaal
  • triciaal
can you really make a triangle with those measurements?
anonymous
  • anonymous
Why would it be acute wolf?
wolf1728
  • wolf1728
I used an online triangle calculator Still, I'm sure your instructor would want it worked out right?
anonymous
  • anonymous
The answer is acute.
anonymous
  • anonymous
You got it right.
wolf1728
  • wolf1728
Okay - they just don't want people to give out answers directly. Do you want it worked out?
anonymous
  • anonymous
No, its fine.
wolf1728
  • wolf1728
Okay then :-)
triciaal
  • triciaal
can you get a triangle with those measurements?
wolf1728
  • wolf1728
Let's use the Law of Cosines cos (A) = (b^2 + c^2 -a^2) / (2*b*c) cos (A) = (34^2 + 42^2 -28^2) / (2*34*42) cos (A) = 2,136 / 2,856 cos (A) = 0.7478991597 Angle A = 41.591 Degrees For the second angle, let's use the Law of Sines sin (B) = (b • sin(A)) / a sin (B) = (34 * sin (41.591))/a sin (B) = (34 * 0.66381)/28 sin (B) = 0.806055 Angle B = 53.712 Angle C = 180 -41.591 -53.712 Angle C = 84.697 All 3 angles are less than 90 degrees and therefore it is a right triangle.
triciaal
  • triciaal
@wolf1728 thank you error on the last line not right triangle acute triangle I was told to always find the largest angle first seems like it does not really matter My concern was the lengths isn't there some rule about the possible lengths of the 3rd side given 2 lengths? but my 2 mistakes 1) since the factor would make the requirement 35 and we only had 34 should know acute 2) name the triangle by the angles since one angle was obtuse the triangle obtuse
wolf1728
  • wolf1728
Geez, I did all that work and TYPED the wrong answer!! All angle less than 90 degrees so it is an ACUTE triangle.

Looking for something else?

Not the answer you are looking for? Search for more explanations.