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A right angled triangle has one angle that is 90 degrees. The other two must be acute and may (but need not) be equal to one another.
An acute triangle has all its angles less than 90 degrees. They may be all the same, two of them the same or all different.
An isosceles triangle has two angles the same (and hence acute). The third angle can be acute, right or obtuse.
A scalene triangle has three unequal angles. Two of them must be acute but the third may be acute, right or obtuse.
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Triangle with all acute angles called?
equilateral triangle, acute triangle, some isosceles and scalene triangles
How many angles do a acute isosceles triangle have?
It doesn't matter if a triangle is isosceles, scalene, obtuse, acute... There are always 3 angles in a triangle (which add up to 180).
What are the three different classifications of a triangle?
Equalateral, Isosceles, Scalene; Acute, Obtuse, Right
What is the difference between a right triangle and an isosceles triangle?
A right triangle can be an iscosceles or scalene triangle. A right triangle is a triangle that therein has one right angle and 2 acute angles. An isosceles triangle has two sides of the same length and one different.
What is the difference between an isosceles and acute triangle?
They both have 3 sides but an isosceles triangle has two equal sides whereas an acute triangle with different acute angles has no equal sides and is said to be a scalene triangle, or an acute triangle with three equal acute angles (of 60° each) and three equal sides is called an equilateral triangle.
