Student Activity

(1.) Draw an example of each triangle and verify that it holds to its definition:

(a.) scalen triangle

(b.) equilateral triangle

(c.) isosceles triangle

(d.) acute triangle

(e.) right angle

(f.) obtuse angle

(2.) Explain why you can't draw a triangle with two right angles?

(3.) State whether each satement is true or false. Draw an example of each figure when it is true. If it is false, explain why.

(a.) The biggest angle is always oppossite of the biggest side in a triangle.

(b.) An acute triangle can also be an isosceles triangle.

(c.) A right triangle may also be an equilateral triangle.

(d.) An equilateral triangle must be an acute triangle.