840.2. Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
Grade:
7
Subject
Geometry
Theme
Triangle angles sum. Right-angled triangle similarity signs.
Subtheme
Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
Solve tasks to find hidden Geo point coordinates
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- Algebra: Polynomial.
- Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
- Algebra: Monomial
- Algebra: Coordinate axis and point coordinate
- Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
- Algebra: Numerical connections
- Geometry: Point, straight line, plane, geometric figure.
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- Algebra: Rational number
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- Algebra: Letter - variable.
- Algebra: Concept of equation.
- Algebra: Linear inequalities ax + b > 0, where a, b ∈ Q
- Algebra: Mathematical expression. Algebraic expression.
- Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
- Algebra: Direct proportionality concept
- Geometry: Equal triangles, appropriate elementrs, similar properties and signs.
- Algebra: Opposite type inequalities.
- Geometry: Narrow, wide, straight, extended, opened, full angle. Equal angles, bisector.
- Algebra: Polynomial opposite polynomial.
- Algebra: Percent and proportions
- Algebra: Polynomial opposite polynomial.
- Geometry: Circle line, center, radius, diameter, chord, curve.
- Algebra: Mathematics expression. Algebraic expression.
- Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
- Algebra: Similar polynomials.
- Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
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- Algebra: Numerical inequalities and their properties.
- Algebra: Point coordinates
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- Algebra: Point coordinates
- Algebra: Fraction (division) basic properties
- Algebra: Degree with negative index
- Algebra: Quadrant
- Algebra: Coordinate plane
- Algebra: Conditioned inequality properties
- Algebra: Mutually equal monomials