Henry slept for 10 and a half hours
Answer:
1. Figure C has reflection symmetry.
2. A and D have reflection symmetry.
Step-by-step explanation:
1. When you cut the arrow horizontally, you get the same shape on each side.
2. When you divide them, you should have symmetry, meaning they are the same when divided/cut.
Answer:
160 cm²
Step-by-step explanation:
V = 1/3 * 24 * 20 = 160 cm²
Answer:

Step-by-step explanation:
By the exterior angle theorem,

Group like terms and solve for x.


Divide both sides by 19;
