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In this lesson, we will learn how to classify a triangle based on angles' shapes and equal sides.
Q1:
Which of the following describes the given shape?
Q2:
Q3:
Q4:
What do these shapes have in common?
Q5:
Nabil drew an equilateral triangle with two sides whose sum equals 16 inches. Determine the length of the third side.
Q6:
Q7:
Q8:
Is it possible to draw a triangle with two obtuse angles?
Q9:
Complete the following: An equilateral triangle is a triangle whose sides are .
Q10:
Q11:
Determine whether this statement is true or false: Some right triangles are isosceles.
Q12:
Determine whether this statement is true or false: Some obtuse triangles are isosceles.
Q13:
Determine whether this statement is true or false: The angles of the equilateral triangle are acute.
Q14:
Determine whether this statement is true or false: The angles of the isosceles triangle are always acute.
Q15:
Is an equilateral triangle an isosceles triangle?
Q16:
Could an isosceles triangle also be an equilateral triangle?
Q17:
Q18:
Describe the triangle using an adjective from the list acute, right, obtuse and the list equilateral, isosceles, scalene.
Q19:
Determine whether this statement is true or false: All acute triangles are isosceles.
Q20:
Complete the following: Any triangle has at least acute angles.
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