Answer: The answer is A
Step-by-step explanation:
In the picture, model A shows 3 groups and in the 3 groups are 4 lines !
I'm bad explaining but I hope this helps .
The triangle that the height makes would be a 45-45-90 special right triangle. So the height is 3√2, and to find the area, it would be the average of the bases, 7, multiplied by 3√2. So the area of the trapezoid is 21√2.
---
Hope this helps!
Answer: 28.27cm^2
Step-by-step explanation:
π ×r^2
π×3×3
9π or 28.27 (2dp)
Answer: 2.
Step-by-step explanation: Both lines intersect each other 2 times.