find the area of a triangle whose vertices are (3,0),(7,0)and(8,4)
Answers
Answered by
90
8 sq. unit
explanation=using triangle area formula
1/2|x1(y2-y3)+x2(y3-y1)+x3(y1-y2)|
1/2|3(0-4)+7(4-0)+8(0-0)
1/2|-12+28|
1/2|16|
16/2
8 sq. unit
explanation=using triangle area formula
1/2|x1(y2-y3)+x2(y3-y1)+x3(y1-y2)|
1/2|3(0-4)+7(4-0)+8(0-0)
1/2|-12+28|
1/2|16|
16/2
8 sq. unit
harshwaghmare2002:
8 sq. unit
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Answered by
45
area of triangle=1/2 {3 (0-4)+7 (4-0)+8 (0-0)}=1/2 {-12+28+0}=8 square unit
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