Question

I need help , the last time I did these was in 5th grade , and I absolutely forget how to do it

Answer 1

Hey there! :D

All you need to remember is this formula:

A= 1/2*base*height <== this is for a triangle's area

Base= 4 Height=3

1/2*3*4

1/2*12

6 square meters. <== the answer

I hope this helps!
~kaikers

Answer 2

Area= B*H/2

3*4=12

12\2=

A=6 sq miles

-Hopes it helped!