Answer:
165 cards left
Step-by-step explanation:
x + 221 = 386
-221 from both sides
x = 165
0.097- or it could be 0.10 if you round it
4 cubic squares is the answer
Explanation: The sum<span> of the measure of the </span>internal<span> angles of any triangle is 180o . In a right angled triangle, one angle will be 90o . Since we know the measure of one of the other acute (less than 90o ) angles, we subtract the </span>sum<span> of the two known angles from 180 to calculate the measure of the other acute angle.</span>
