homework_remembering_te_grade_4-1zwawpi

8-4
Name
Date
Name each triangle by its angles and then by its sides.
1. 2. 3.
right, scalene
obtuse, isosceles
acute, equilateral
4. 5. 6.
obtuse, scalene
obtuse, scalene
acute, isosceles
7. 8. 9.
acute, scalene
right, isosceles
obtuse, scalene
© Houghton Mifflin Harcourt Publishing Company
10. Describe how acute, obtuse, and right triangles are
different.
Acute triangles have three acute angles, right
triangles have one right angle, and obtuse triangles
have one obtuse angle.
11. Describe how scalene, isosceles, and equilateral triangles
are different.
Scalene triangles have no equal sides,
isosceles triangles have 2 equal sides, and
equilateral triangles have 3 equal sides.
UNIT 8 LESSON 4 Name Triangles 181