An isosceles triangle is usually drawn with the two sides of equal length as the legs and the third side as the base.
For a right angled isosceles triangle then the hypotenuse is drawn as the base with the two sides of equal length as the legs joining together at a right angle.
Draw a circle. Draw a horizontal diameter with a second diameter perpendicular to the first.
The hypotenuse is the horizontal diameter. Draw lines from the ends of this diameter to the point where one end of the second diameter meets the circumference. These are the two equal legs of the isosceles triangle. These legs meet at an angle of 90° .
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One simple word. YES. Answer 2: A scalene triangle is just one with unequal length sides - the classic 3,4,5 Right Angled Triangle (Pythag) is scalene.
It will be a right angled triangle with angles of 90, 72 and 18 degrees.
All right-angled triangles are scalene with the sole exception of the 90-45-45 shape.
Draw a right angled triangle with legs of lengths 2 and 3 units. The hypotenuse will be sqrt(13) units.