Question about maths

Rozan · February 9, 2023, 9:50pm

can someone please explain why the area is 13

Juliette · February 10, 2023, 9:22am

Hi!

Using the formula for a triangle’s area:
A = 1/2 (x1(y2-y3)+x2(y3-y1)+x3(y1-y2))
= 1/2 (4 * 5 + 0 * 2 + 2 * 3)
= 26/2
= 13

Hope this helps!

AriHoresh · February 10, 2023, 11:01am

Hey @Rozan Which qbank are you using?

Rozan · February 10, 2023, 1:09pm

it’s from cattolica’s past exams

Rozan · February 10, 2023, 1:10pm

thank you very much !!!

Michael_cohen · February 20, 2023, 8:11am

hi where is this questions from ?

AriHoresh · February 20, 2023, 8:18am

from cattolica’s past exams