Answer:

Step-by-step explanation:
Important information:
Circumference of a circle= 
Method:
To work out the diameter, we would need to divide the circumference of 34.54 by pi, which in this case is 3.14, this gives us 11cm. This is because we are simply rearanging the formula of the circumference of a circle to make the diameter the subject.
Step By Step:
1) Rearange the formula to make the diameter the subject.

2) Divide 34.54 by 3.14(
).

Answer:
10.2 gallons
Step-by-step explanation:
Luke buys $14.35 worth of gasoline for his car
The gas station sells at $1.409 per liter
Therefore the number of gallons that luke buys can be calculated as follows
= 14.35/1.409
= 10.2 gallons
Answer:
A: HL
Step-by-step explanation:
The hypotenuses of these right triangles are marked congruent.
One leg of these right triangles is marked congruent.
The HL theorem applies.
Answer:
Step-by-step explanation:
2x = 128
x = 128/2
x = 64