Triangles: Sides and Angles

Worksheet by Dana Rogers
Triangles: Sides and Angles Grade 7 worksheet preview
Subjects
Math
Grades
Grade 7
Language
ENG
Assignments
32 classrooms used this worksheet

Master triangle properties! Solve for missing angles and determine if sides form a triangle.

Fill in the table below. Questions Is it a triangle? sides:3, 6, 7 yes sides: 6, 8, 10 yes sides: 10, 3, 6 no sides: 16, 12, 12 yes sides: 2, 5, 10 no sides: 8, 8, 8 yes sides: 11, 13, 15 yes sides: 2, 7, 6 yes angles: 7, 6.5, 13.5 no Find the missing angle of the triangles below. All triangles have 3 sides and 3 angles. The sum of the angles of any triangle equals 180o. Angle 1 Angle 2 Angle 3 50 60 70 60 40 80 90 45 45 30 75 75 45 68 67

geometry shapes angles measurement
Educational Standards
CCSS CCSS.MATH.CONTENT.7.G.B.5 CCSS CCSS.MATH.CONTENT.7.G.A.2
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