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 Topic: acute
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 sinA + cosA = 1 2009-11-06 From Nazrul:What is the solution of sinA+cosA=1 where A is an acute angle? Will A=0 degree be included in the solution? Please explain.Answered by Harley Weston. Is -100 degree angle an acute angle? 2009-09-02 From Nazrul:Is -100 degree angle an acute angle? Please explain. Here -100<90.Answered by Robert Dawson. Zero Angle 2009-09-01 From Nazrul:Is zero degree an acute angle? Please explain.Answered by Janice Cotcher. The angles of a triangle 2009-03-11 From Marissa:The angles in a triangle measure 7x-1, 18x+2, and 5x+10. Determine whether the triangle is acute, obtuse, or right. State your reasons clearly.Answered by Robert Dawson. Classifying a triangle 2008-02-07 From kevin:scalene triangle 8 ft base right side 9.5 left side 12 ft what is the anglesAnswered by Penny Nom. Determine the probability that the triangle is acute. 2007-04-10 From Greg:Points A1, A2, . . ., AN are equally spaced around the circumference of a circle and N >=3. Three of these points are selected at random and a triangle is formed using these points as its vertices. If N = 2k for some positive integer k >= 2, determine the probability that the triangle is acute.Answered by Penny Nom. Can the triangle be called both an acute triangle and an equilateral triangle? 2007-03-10 From Jane:If all sides of a triangle are the same length and all angles are 60 degrees, can the triangle be called both an acute triangle and an equilateral triangle?Answered by Walter Whiteley. Third side of Acute Triangle 2001-11-09 From Don:I gave this problem to my children, 9th and 12th grade and they are not(me too!) sure of the answer. I am trying to determine the length of the third side of an acute triangle. I know two of the lengths but I do not know the angles. Is there a proper formula to use to find the length of the third side? Thank you.Answered by Chris Fisher and Penny Nom. An acute scalene triangle 2001-09-24 From Kim:Hi- I'm on a mission--I'm suppose to have a group of children write up a hypotheses about the altitudes and angle biscetors of the follwing 3 types of triangle--equilateral, isosceles and acute scalene triangle. Is there such a thing as a acute scalene triangle and why or why not. Answered by Chris Fisher.

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