Answer:
12°
Step-by-step explanation:
it is a ratio let represent by x
6x+5x+4x=180
15x=180
x=12°
No
2(6-3x) = 12-6x
2(3x)+x = 7x
Answer:
Andrea sold 59 bracelets.
Answer:
We have the formula for pyramid volume V = (B.h)/3 => B = 3V / h
=> B = (216 . 3)/8 = 81 m2
the base area of a square pyramid : 81 m2
Step-by-step explanation: