2(3+6) = 6 + 12 = 18
10² = 100
10(10+10) = 100 + 100 = 200
Answer:
its all sides are equal and diagonal make 90° angle.
so, the answer option c.
12 I got it form Socratic
Answer:
378 marbles are blue, and 270 marbles are red
Step-by-step explanation:
The total number of ratio units must be multiplied by 6 to get the total number of marbles. Hence the number of blue marbles is 63×6 = 378, and the number of red marbles is 45×6 = 270.
Answer:
1 11/20
Step-by-step explanation:
3 3/4 - 2 1/5 = 3 15/20 - 2 4/20 = 1 11/20