Answer:
Scalene
Step-by-step explanation:
Because all triangular angles add up to 180 degrees.
10+20=30
180-30=150
None of those angles are the same.
Answer: Trapezoidal prism
A figure with 4 sides and a parallel side is called a trapezoid, this is a 3 dimentional trapezoid which is called a trapezoidal prism.
Answer:
(
)
Step-by-step explanation:
b/c 4/5*7/12
means 4*7 and 5*12
then28/60
hope it's helpful
THANK YOU.
Answer:
3240°
Step-by-step explanation:
For a regular icosagon,
sum of interior angles measure=180(n-2)°
180(20-2)
180(18)=3240°