Triangle Exploration
A Grade 5 math worksheet exploring different types of triangles, their properties, and angle sums.
Includes
Standards
Topics
Triangle Exploration
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Read each question carefully and answer to the best of your ability. Show your work where necessary.
1. Which type of triangle has all three sides of different lengths?
Equilateral
Isosceles
Scalene
Right
2. A triangle with one angle greater than 90 degrees is called a(n) triangle.
Acute
Obtuse
Right
Equilateral
3. The sum of the angles in any triangle is always degrees.
4. An equilateral triangle has three sides and three angles.
5. All isosceles triangles have three equal angles.
True
False
6. A right triangle can also be an isosceles triangle.
True
False
7. Draw an acute triangle and label its angles with approximate degree measures. Explain why it is an acute triangle.
8. What is the measure of the third angle in a triangle if two of its angles measure 45 degrees and 60 degrees?
Match each triangle type with its description.
9. Equilateral
a. All sides different lengths
10. Isosceles
b. All sides equal lengths
11. Scalene
c. Two sides equal lengths