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An isosceles triangle has two equal sides and two equal base angles. The perpendicular from the apex to the base also bisects the base (axis of symmetry). Isosceles triangles appear frequently in architecture, art, and engineering.

Công thức

Height h = √(a² − (c/2)²) where c is the base
h
√(a² − (c/2)²) where c is the base — √(a² − (c/2)²) where c is the base

Hướng dẫn từng bước

  1. 1Two equal sides (legs): a = b
  2. 2Height h = √(a² − (c/2)²) where c is the base
  3. 3Area = ½ × base × height
  4. 4Apex angle = 180° − 2 × base angle

Ví dụ có lời giải

đầu vào
Legs = 10cm, base = 12cm
Kết quả
Height = 8cm · Area = 48cm²
h = √(100−36) = √64 = 8

Câu hỏi thường gặp

What is Isosceles Triangle Has Two Equal Sides And Two Equal Base Angles?

An isosceles triangle has two equal sides and two equal base angles. The perpendicular from the apex to the base also bisects the base (axis of symmetry)

How accurate is the Isosceles Triangle Has Two Equal Sides And Two Equal Base Angles calculator?

The calculator uses the standard published formula for isosceles triangle has two equal sides and two equal base angles. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Isosceles Triangle Has Two Equal Sides And Two Equal Base Angles calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Isosceles Triangle Has Two Equal Sides And Two Equal Base Angles calculator use?

The core formula is: Two equal sides (legs): a = b. Each step in the calculation is shown so you can verify the result manually.

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