Answer:
87.92
In this case we're trying to find circumference
Formula: c = pi×d
The problem says to use 3.14 for pi
c = 3.14 × 28 = 87.92
288
Step-by-step explanation:
0.40hrs × 720 calories = 288 calories burned
x=16°
y=25°
7x=112
x=112/7
x=16
90+y=115
y=115-90
y=25
ever coner should have a value.... for example sinA or cos$
please check the question again
idk
