The semi-circles in the triangles represent the verteces or different angles on certain points of the triangle.
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Answer:
sorry for being late
1=40
2=50
3=50
4=130
5=90
Step-by-step explanation:
Answer:
The area of the label is 
Step-by-step explanation:
step 1
Find the radius
we know that
The volume of the cylinder (can of tuna) is equal to

In this problem we have


substitute and solve for r

Simplify



step 2
<em>Find the lateral area of the can</em>
The lateral area of the cylinder (can of tuna) is equal to

we have



sin α = opposite leg/ hypotenuse
For ΔABC,
sin A = |BC|/|AB|
sin A = 12/37
14.9682539683 Your welcome have a good day!