Question

what is the area of a isosceles triangle​

Answer 1

Step-by-step explanation:

Using base and Height A = ½ × b × h

Using all three sides A = ½[√(a2 − b2 ⁄4) × b]

Using the length of 2 sides and an angle between them A = ½ × b × c × sin(α)

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Answer 2

Answer:

In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.  

Area: ½ × base × height

Perimeter: 2 x (length of the two equal sides) + base of the isosceles triangle

Number of vertices: 3

Number of edges: 3

Properties: Convex polygon, Cyclic

Type: Triangle

Line of symmetry: 1

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