Question

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?

Answer 1

`\text{A}=(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}=(1)/(2)\cdot75 \ \text{cm}\cdot45 \ \text{cm}=37,5 \ \text{cm}\cdot45 \ \text{cm}=\boxed{1687,5 \ \text{cm}^2}`

Answer 2

Explanation:

Hello!

(75* 45)/2 => 1687, 5 cm²