Area of a triangle is calculated by using the formula A=1/2bh
A= 1/2 (8.2) (5)
A=1/2 (41)
A=20.5 or 20 1/2, whichever way you think your teacher wants it.
X is -10. I think, I might be wrong.
Answer:
Sure it gonna be 10.99 units
Step-by-step explanation:
OK so u have to

So ur radius is de r=7
Then continue and u shld get 10.99......