acute-angled
Less than right
Acute-angled describes a triangle or other geometric figure whose angles are all less than ninety degrees.
An acute-angled triangle has three sharp corners, none of them square or obtuse: The roof formed an acute-angled peak.
Three-sided plane figure
- vertexPoint where edges converge
- polygonMultisided plane figure
- isoscelesTwo sides match
- equilateralHaving all sides congruent
scalene · interior · bisector · Euclidean · plane · sides · tetrahedron · octahedron
Opposite over hypotenuse
- cosineRatio in triangle math
- tangentLine touching curve once
- secantTrig ratio, 1/cos
- cosecantReciprocal of sine
cotangent · complementary · supplementary · adjacent · opposite · hypotenuse · ratio · calculation
triangle
Three-sided plane figure
equilateral · scalene · interior · bisector · Euclidean · plane · sides · tetrahedron · octahedron · icosahedron
sine
Opposite over hypotenuse
cosecant · cotangent · complementary · supplementary · adjacent · opposite · hypotenuse · ratio · calculation · degrees
pointed
Tapering to a tip
wedge-shaped · peaked · jagged · V-shaped · arrowhead · chevron · pennant · dormer · gable · pitched