Question

Find the area of the triangle formed by the points (2, 3), (-1, 0), (2, -4)

Answer 1

Answer:

Area of Triangle with coordinates A(2,3),B(2,-4),C(-1,0)

Through Graph you could find the area more easily than applying the big formula

Just Apply Area=12bh

Base coordinates A(2,3),B(2,-4),so distance between them

⟹|AB|=(2–2)2+(4+3)2−−−−−−−−−−−−−−√

⟹|AB|=7(b)

Coordinates of height C(-1,0),K(2,0)

⟹|CK|=(2+1)2−−−−−−−√

⟹|CK|=3(h)

⟹Area=12⋅7⋅3

Area=212■

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