joshuakanerichardson joshuakanerichardson
  • 16-11-2021
  • Mathematics
contestada

The diagram shows a triangle ABC.
B
Not drawn accurately
12.5 cm
A
4.6 cm
Work out the area of the triangle.
Give your answer to 1 decimal place.


please help and show working

The diagram shows a triangle ABC B Not drawn accurately 125 cm A 46 cm Work out the area of the triangle Give your answer to 1 decimal place please help and sho class=

Respuesta :

jimrgrant1 jimrgrant1
  • 16-11-2021

Answer:

A ≈ 5.8 cm²

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )

Here b = 4.6 and h = 2.5 , then

A = [tex]\frac{1}{2}[/tex] × 4.6 × 2.5 = 2.3 × 2.5 ≈ 5.8 cm² ( to 1 dec. place )

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