I think it's 12x.
I'm not a 100% sure though, but I hope this helps. =^D
I think the answer is D all of the above
The formula for triangle area is b•h/ 1/2. so you would do 12•5=60. then divide that by 2 to get 30
Answer:
Step-by-step explanation:
It’s 180°. The sum of the angles in a triangle is ALWAYS 180°.
It might be 2.5 but I could be wrong
