1723.2. 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
- Algebra: Degree with negative index
- Algebra: Number gap and their types.
- Algebra: Subscript concept: base, index, degree
- Algebra: Numerical inequalities and their properties.
- Algebra: Polynomial.
- Algebra: Numerical expression.
- Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
- Geometry: Angle, angle edges and peak, value, degree, measurement.
- Algebra: Diagram y = kx + b (drawing)
- Algebra: Equation roots.
- Algebra: Number gap and their types.
- Algebra: Concept of equation.
- Algebra: Proportionality factor k
- Algebra: Fraction (division) basic properties
- Algebra: Mathematics expression. Algebraic expression.
- Algebra: Connection concept
- Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
- Algebra: Trinomial.
- Algebra: Coordinate plane
- Algebra: Mathematical expression. Algebraic expression.
- Algebra: Equivalent inequalities
- Algebra: Numerical inequalities and their properties.
- Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
- Geometry: Concept definition, concept sign.
- Algebra: Coordinate beginning point
- Algebra: Function y = x²
- Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
- Algebra: Similar monomials
- Algebra: Identical expressions.
- Algebra: Numerical equalities.
- Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
- Algebra: Functions expression with formula, table, diagram
- Geometry: Triangle and its elements, angle opposite and adjacent edge, opposite and adjacent angle in triangle. Triangle median, bisector, height, triangle inequality.
- Algebra: Abscissa axis
- Algebra: Function
- Algebra: Ordinate axis
- Algebra: Polynomial normal form.
- Algebra: Percent and proportions
- Algebra: Proportionality factor k
- Algebra: Linear function y = kx + b
- Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
- Algebra: Concept of equation.