Answer:
100=3x - 12
Step-by-step explanation:
3 shirts
Pants
DATES: The rule amendments will become effective October 29, 1999. Section IV of this release contains information on compliance dates.
To find the value of x let's make the situation a bit easier
3x+10+70=180
3x+80=180
3x=180-80
3x=100
x = about 33.33
The triangle's biggest angle's measurement in degrees is 97°.
What is a triangle?
- A triangle is a polygon with three vertices and three sides. The angles of such a triangle are formed by the connection of the three sides end to end at a point. The triangle's three angles add up to 180 degrees in total.
- All of the angles in an acute triangle are below 90 degrees.
- Any angle in an obtuse triangle is larger than 90 degrees.
- There is just one 90-degree angle in a right triangle.
Let
° with 

Moving angle c of the triangle,

The triangle's biggest angle's measurement in degrees is 97°.
Learn more about triangles here:
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I think it’s called an Heptadecagon