Equilateral Triangle Calculator — Area, Height, Perimeter Enter one known measurement of an equilateral triangle to calculate the rest (side, area, height, perimeter, inradius, circumradius). Known value type: Side (a)AreaHeight (h)Perimeter (P) Value: Unit: unitscmminft Calculate In geometry, an equilateral triangle is one of the most perfect and balanced shapes. All three sides are equal…
Dimensions of Triangle Calculator (Full Solver) Solve any triangle for sides, angles, area, perimeter using various known inputs. Input Mode Three Sides (SSS)Two Sides + Included Angle (SAS)Two Angles + One Side (ASA/AAS)Side-Side-Angle (SSA) Side a Side b Side c Side a Side b Included Angle C (°) Angle A (°) Angle B (°) Side…
Exterior Angle of Triangle Calculator Compute one or more exterior angles of a triangle from interior angles. Solve By Single Interior → ExteriorThree Interiors → All ExteriorsTwo Interiors → Third + All ExteriorsVerify Triangle Angles Interior Angle (°) Calculate the exterior at that vertex. Angle A (°) Angle B (°) Angle C (°) All three…
Golden Ratio Triangle Calculator Calculate dimensions of a golden ratio triangle where the ratio of leg to base equals φ (≈1.618). Calculate From Leg LengthBase LengthAreaVerify Golden Ratio Leg (equal side) length Base length Area Side 1 (leg) Side 2 (base) Select Unit unitscmminft Calculate The golden ratio is one of the most famous numbers…
Golden Triangle Calculator (Solve Triangle Dimensions) Calculate dimensions of an isosceles “golden triangle” (leg:base = φ ≈ 1.618). Solve From Leg Length (equal sides)Base LengthAreaVerify Golden Triangle Leg Length (a) Base Length (b) Area Side 1 (leg) Side 2 (base) Select Unit unitscmminft Calculate The golden triangle is a special geometric shape that follows the…
Length of Side of Triangle Calculator Quickly find the missing side of a triangle using various known inputs. Solve By Right Triangle (Pythagorean)Two Sides + Included AngleOne Side + Two AnglesTwo Sides + Perimeter Side 1 Side 2 Side a Side b Included Angle C (°) Known Side a Angle A (°) Angle B (°)…
Length of Triangle Calculator Find the missing side lengths of a triangle using various known inputs. Solve By Right Triangle (Pythagorean)Two Sides + Included Angle (Cosines)Side + Two Angles (Sines)Two Sides + Perimeter Side 1 Side 2 Enter the two known sides (legs or hypotenuse+leg). Side a Side b Included Angle C (°) Known Side…
Triangles are one of the most common shapes in geometry and appear in school math, engineering, construction, surveying, and everyday measurements. In many situations, you are given some triangle values, such as two sides or a side and an angle, but one side length is missing. Solving this manually can take time and may…
Missing Side of Triangle Calculator Find the missing side length of a triangle using various known inputs. Solve By Right Triangle (Pythagorean)Two Sides + Included AngleSide + Two AnglesTwo Sides + Perimeter Side 1 Side 2 Enter the two known sides (legs or hypotenuse + leg). Side a Side b Included Angle C (°) Known…
Median of Triangle Calculator Enter the three side lengths of a triangle to calculate the medians from each vertex. Side a Side b Side c Select Unit unitscmminft Calculate Medians In triangle geometry, a median is a line drawn from a vertex to the midpoint of the opposite side. Every triangle has three medians, and…