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Find the area of ∆ ABC.​
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Find the area of ∆ ABC.​

Find the area of ∆ ABC.​-example-1
User AlbatrossCafe
by
8.2k points

1 Answer

5 votes

Explanation:

the area of a triangle is

baseline × height / 2

we have a height of ABC down in the graph : AD = 12.

the baseline for that height is

BC = BD + DC = 5 + 9 = 14

so, the area is

14 × 12 / 2 = 14 × 6 = 84 square units.

User Semteu
by
8.9k points
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