Answer:
Step-by-step explanation:
are 1 and 2 answers becuas e if are 2
45
1. Area = 1/2 B(base) x H(height)
2. Area = 1/2 9 x 10
3. Area = 1/2 90
4. Area = 45 inches
3/4” of a inch of stock is left
Answer:18
Step-by-step explanation:
Sin72=cosy
0.9511=cosy
Y=cos(inverse)0.9511
Y=18