Answer:
24
Step-by-step explanation:
22 - 8 = 14
14/2 = 7
Pythagoras theorem
25 squared -7 squared = 576
square root of 576 = 24
Area of a circle: πr²
Data:
diameter: 21 cm
radius=diameter/2=21 cm/2=10.5 cm
area of this circle: π(10.5 cm)²=110.25π cm² (≈346.36 cm²)
Answer: area=110.25π cm²
42.50$ ? 21 times 1.25 plus 13 times 1.25 = 42.50?
A) 90 degrees. Because it is
