A triangle has side lengths of 7, 24, and 26. Is the triangle right, acute, or obtuse? a. right c. obtuse b. acute
Question
Updated 11/13/2014 10:59:35 PM
Flagged by yeswey [11/13/2014 10:55:04 PM]
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Original conversation
User: A triangle has side lengths of 7, 24, and 26. Is the triangle right, acute, or obtuse? a. right c. obtuse b. acute

User: Say that a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse. Find b if a = 21 and c = 29. a. b = 40 c. b = 10 b. b = 20 d. b = 400

Question
Updated 11/13/2014 10:59:35 PM
Flagged by yeswey [11/13/2014 10:55:04 PM]
Rating
8
if a = 21 and c = 29,
b = sqrt (29^2 - 21^2) = sqrt (841 - 441) = sqrt 400 = 20
Confirmed by jeifunk [11/13/2014 11:11:45 PM]
8
A triangle has side lengths of 7, 24, and 26. The triangle is obtuse.
7^2 + 24^2 = 49 + 576 = 625
26^2 = 676
625 < 676
7^2 + 24^2 < 26^2
so it is an obtuse triangle.
Confirmed by jeifunk [11/13/2014 11:12:11 PM]

Questions asked by the same visitor
Find the area of a trapezoid in which base1 is 4 units, base2 is 2 units, and the height is 2 units. a. 6 units2 c. 6 units b. 12 units2 d. 12 units
Question
Updated 11/17/2014 9:29:41 AM
trapezoid area = 1/2 * (4 + 2) * 2 = 6 units^2
Confirmed by jeifunk [11/17/2014 10:06:46 AM]
34,447,090
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