Dannydabroski Dannydabroski

16-02-2021
Mathematics

contestada

If the area of a circle is 81π, then what is the diameter of the circle?

Respuesta :

rantwitheve rantwitheve

04-03-2021

Answer:

18

Step-by-step explanation:

81π=πr^2

r= 9,-9

9+9=18

Answer Link

Otras preguntas

Write an analysis of this picture using the elements of art

36 The centre of a radar is located at the Point O. The radar can track objects within 50 km. The radar tracks the path of a ship for 60 km. What was the shorte

chayo was incredibly upset and frustrated when his boss denied his vacation request, again. chayo decided to cool off a bit before addressing the conflict, so h

Order the fractions from least to greatest. 1/2 5/6 1/8

What is 11% of 96 students

Neptune’s rings were most likely formed by: Collisions between moons Static between moons Excess debris None of these is correct

What does the number 84 in the name krypton-84 represent? the atomic number the mass number

This excerpt from the constitutional amendment protects people in the United States from which of the following? A excessive surveillance by the government Blar

Mountains in a range are blank

a wifi router has a mtbf of 10 months. What is the availability if the mttr is 12 hours and the number of days in a month is 30 ?