Geometry

posted by .

How can I tell if a triangle is a 30, 60 90 triangle or a 45 45 90? What are the characteristics?

A 45-45-90 triangle has two equal angles (and sides). It is an isoceles right triangle, in other words. It is easy to tell by looking that a 30-60-90 triangle does not have two equal angles.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x-15, the triangle is 1)an isosceles triangle 2)a right triangle 3)an acute triangle 4)an equiangular triangle
  2. math

    if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x+15, the triangle is 1)isosceles triangle 2)right triangle 3)acute triangle 4)equiangular triangle
  3. Math

    A triangle has 2 angles that measure 60 each. Which of the following best describes thiz triangle. A. Right isoseles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle
  4. geometry

    find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct?
  5. Math

    True or false and if false write a true statement 1. A right triangle has three right angles. 2. A triangle that has three sides of the same length is an equilateral triangle. 3. An obtuse triangle has two angles that are acute. 4. …
  6. math plz check ;-;

    A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true?
  7. math plz check ;-; sorry

    A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true?
  8. math plz help ;-;

    A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true?
  9. Trig

    An isosceles triangle has a height of 12.5 m (measured from the unequal side) and two equal angles that measure 55°. Determine the area of the triangle. Split in half the triangle is a right triangle, so it's three angles are 90%, …
  10. Geometry

    If each of the sides of an isoceles triangle is 5 x the size of the baseline and the perimeter of the triangle is 121 cm, how many centimeters is each of the sides of the triangle?

More Similar Questions