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Find the exact area of ABC

Find the exact area of ABC-example-1
User Harleypig
by
6.1k points

1 Answer

3 votes

Answer:

A = 18
√(3) sq meters

Explanation:

find BD, can use altitute rule:

3 / BD = BD / 9

BD² = 27

BD =
√(27) = 3
√(3)

Area of ΔABC = 1/2 · (3+9) · 3
√(3)

A = 6 · 3
√(3)

User Lillemets
by
6.7k points
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