I am in 7 grade math

Mathematics
Tutor: None Selected Time limit: 1 Day

What is the area of (a triangle)ABC with vertices A(2,3), B(17,11) and C(17,3)?

Jan 16th, 2015

Area = [Ax(By-Cy)+Bx(Cy-Ay)+Cx(Ay-By)]/2

putting values

Area = [2(11-3)+17(3-3)+17(3-17)]/2

Area = [2(8)+0+17(-14)]/2

Area = [16-238]/2

Area = 222/2

Area = 111

Jan 16th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Jan 16th, 2015
...
Jan 16th, 2015
Mar 29th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer