gkellerhals1102 gkellerhals1102

20-01-2018
Mathematics

contestada

The end points of the diameter of a
circle are at (1,2) and (7,-6). What is the circumference of the circle, to the nearest tenth of a unit

Respuesta :

gustanika gustanika

20-01-2018

Find the diameter of circle using pythagoras
d = √(Δx² + Δy²)
d = √((7-1)² + (-6-2)²)
d = √(6² + (-8)²)
d = √100
d = 10
The diameter is 10

Find the circumference
c = π × d
c = 3.14 × 10
c = 31.4

Answer Link

Otras preguntas

School children are becoming far too dependent on computers. This is having an alarming effect on reading and writing skills. Teachers need to avoid using compu

105/8 as a mixed number

Select all that apply. Which nations experienced major revolutions in the twentieth century? Russia France Japan China

In which kind of creation story is there a void or chaos before creation?

What does the phrase "interpreting the law" mean? a. create the law b. translate the law into English c. act out the law d. explain the meaning of the law

What does the term “Cold War” refer to?

A restaurant uses 3 pounds of pasta for a party of 14 people. If they are cooking pasta for a party of 56 people, what should they do?

What are some of the factors that seem to prolong life in animals?

120% of a number is 45 what is the number

A square on a large calendar has an area of 4,220 square millimeters. Between which two integers is the length of one side of the square?Its between 64 and 65 m