Answer:
Step-by-step explanation:
12 multiplied by 9 is 108. That gives us the square. The triangle base is 9. The height is 7. 7 multiplied by 9 is 63. 63 divided by 2 is 31.5. 108 add 31.5 is 139.5 cm squared.
It is 9 because you have a 30,60,90 triangle, and then you can use pythagorean theorem.
Answer:
72 chips
Step-by-step explanation:
6×10=60
60+12=72
Answer:
13x -42 124/x+3
Step-by-step explanation:
Answer: 4!!!!!!!!!!! Or is it 9?
Step-by-step explanation:
