boyle3758
boyle3758 boyle3758
  • 22-01-2021
  • Mathematics
contestada

pls help i dunno how to do this lol

pls help i dunno how to do this lol class=

Respuesta :

absor201
absor201 absor201
  • 23-01-2021

Answer:

The height of the triangle is: h = 6.4 cm

Step-by-step explanation:

Given

Area of the triangle A = 40 cm²

The Base of the triangle b = 12.5 cm

To determine

height of triangle h = ?

We know that the area A of a triangle is:

A = 1/2 bh

where

  • b is the base
  • h is the height of the triangle.

so

A = 1/2 bh

substituting A = 40 and b = 12.5

40 = 1/2 (12.5) h

40 × 2 = 12.5 h

12.5 h = 80

divide both sides by 12.5

12.5h/12.5 = 80/12.5

h = 6.4 cm

Thus, the height of the triangle is: h = 6.4 cm

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