Chrisis4004 Chrisis4004
  • 28-08-2021
  • Mathematics
contestada

A triangular traffic sign has a height of 45 cm. It is 75 cm long at its base. What is the area of the sign?

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Аноним Аноним
  • 28-08-2021

Answer:

Step-by-step explanation:

Hello!

(75* 45)/2 => 1687, 5 cm²

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Witcher3
Witcher3 Witcher3
  • 28-08-2021

[tex]\text{A}=\frac{1}{2}\cdot\text{a}\cdot\text{h}\\\\\text{a}\longrightarrow\text{base}\\\\\text{h}\longrightarrow\text{height}\\\\-----------\\\\\text{a}=75 \ \text{cm}\\\\\text{h}=45 \ \text{cm}\\\\\text{A}=\frac{1}{2}\cdot75 \ \text{cm}\cdot45 \ \text{cm}=37,5 \ \text{cm}\cdot45 \ \text{cm}=\boxed{1687,5 \ \text{cm}^2}[/tex]

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