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All Geometry math games
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Identify missing angle in triangle
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Identify missing angle in triangle with variable
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Identify missing angle in quadrilateral
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Identify missing side in triangle
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Identify missing side in triangle with variable
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Area of triangle
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Identify side of triangle given area
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Area of quadrilateral
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Identify side of quadrilateral given area
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Area of circle given radius
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Area of circle given circumference
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Circumference of a circle given radius
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Radius of a circle given circumference
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Volume of sphere, cone, cylinder
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Volume of cuboid
- All Geometry math games
- Identify missing angle in triangle
-
Identify missing angle in triangle with variable
- Identify missing angle in quadrilateral
- Identify missing side in triangle
- Identify missing side in triangle with variable
- Area of triangle
- Identify side of triangle given area
- Area of quadrilateral
- Identify side of quadrilateral given area
- Area of circle given radius
- Area of circle given circumference
- Circumference of a circle given radius
- Radius of a circle given circumference
- Volume of sphere, cone, cylinder
- Volume of cuboid
The value of x in the equilateral is ?
The angles within a triangle add up to 180°. If you can determine the value of 2 of the angles within a triangle, the 3rd angle can be calculated by determining the sum of the 2 angles and subtracting that value from 180
For example, if a triangle has 2 angles that measure 40° and 60°
- Find the sum of the 2 angles, or 100°
- Subtract 100° from 180°, or 80°