Answer:
314
Step-by-step explanation:
Area is pie(r^2
10x10=100
100x3.14 is 314
Answer:
D
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠ BCD is an exterior angle of the triangle, thus
∠ BCD = 50° + 60 = 110° → D
The first option is correct (-x)