Answer:
x = 19
Step-by-step explanation:
The sum of interior angles in a triangle is equal to 180 degrees
3x + 7 + 5x + x + 2 = 180 add like terms
9x + 9 = 180 subtract 9 from both sides
9x = 171 divide both sides by 9
x = 19 replace x with 19 in expressions to find the angle measures
Answer:
t
Step-by-step explanation:
t divided by 8 negative 9
Answer:
A≈102.07035
Step-by-step explanation:
A =π * r^2=π · 5.7^2 ≈ 102.07035