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Cerrena [4.2K]
3 years ago
7

Brian needs to paint a logo using two right triangles. The dimensions of the logo are shown below. What is the difference betwee

n the area of the large triangle and the area of the small triangle? ​

Mathematics
1 answer:
solong [7]3 years ago
5 0

Answer:

7.5 cm²

Step-by-step explanation:

Dimensions of the large ∆:

base (b) = 3cm, height (h) = 9cm

Area = 0.5*b*h = 0.5*3*9 = 13.5 cm^2

Dimensions of the small ∆:

base (b) = 2cm, height (h) = 6cm

Area = 0.5*b*h = 0.5*2*6 = 6 cm^2

Difference between the area of the large and the small ∆ = 13.5 - 6 = 7.5 cm²

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