Answer:
5 feet high
Step-by-step explanation:
A= LxW
Yx4= 20
/4 /4
Y= 5ft
It is 5ft high
Answer:
1=51°
2=18°
3=123°
4=39°
Step-by-step explanation:
If you think about it, 4x7 is half of 8x7 (If you multiply 4, 7, and 2, you get 8x7). So really you can just multiply 4x7 by 2 and you will get 8x7!
13. 1,6
18. -15,12
19. -7, 1/2