The answer is 12 m.
Because you're not studying!
Next time do your mom.
Answer:
your right
Step-by-step explanation:
I'm assuming you only need the first triangle. You didn't specify. If you need it after I answer the first one I'll be happy to help though.
To find the area of a triangle you go b(h)/2=a
6cm(3cm)/2
18/2
Area=9
To find the perimeter you add all of the sides together.
4+4+6=P
4+10=P
14= Perimeter
If you round up the 27.64 to 28 and then multiply it bye 3 it eaquals 84
Answer: 90º
Step-by-step explanation: complimentary angles are either of the two angles whose sum is 90º
