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Triangle and Quadrilateral Missing Angles
find the missing angle
7
Mathematics
6th Grade
11/06/2011

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Cards

Term
A triangle has one angle measuring 30 degrees and another angle measuring 50 degrees. What is the size of the third angle?
Definition
100 degrees
Term
A triangle has one angle measuring 45 degrees and another angle measuring 45 degrees. What is the size of the third angle?
Definition
90 degrees
Term
A triangle has one angle measuring 10 degrees and another angle measuring 120 degrees. What is the size of the third angle?
Definition
50 degrees
Term
A triangle has one angle measuring 50 degrees and another angle measuring 70 degrees. What is the size of the third angle?
Definition
60 degrees
Term
A quadrilateral has one angle measuring 100 degrees, another angle measuring 100 degrees, and another angle measuring 60 degrees. What is the size of the fourth angle?
Definition
100 degrees
Term
A quadrilateral has one angle measuring 90 degrees, another angle measuring 90 degrees, and another angle measuring 70 degrees. What is the size of the fourth angle?
Definition
110 degrees
Term
A quadrilateral has one angle measuring 170 degrees, another angle measuring 10 degrees, and another angle measuring 90 degrees. What is the size of the fourth angle?
Definition
90 degrees
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