taten797 taten797

24-04-2018
Mathematics

contestada

A sector of a circle has a central angle of 45 ∘ . find the area of the sector if the radius of the circle is 5 cm.

Respuesta :

Аноним Аноним

24-04-2018

Area of the whole circle = πr² = π(5)² = 25π

Area of the sector = 45/360 x 25π = 9.82 cm²

Answer: 9.82 cm²

Answer Link

Otras preguntas

why is it a good idea to have one person in charge of office operations

each student in the seventh grade will be required to write three papers that are a total of 13 pages long and there are 47 students in the seventh grade approx

Which healthcare professional is typically a secondary care provider

In the late 1800s many industrialists set up welfare institutions and organizations to help the urban poor. Please select the best answer from the choices provi

Which protein serves as a chemical messenger? A.Hemoglobin B.Actin C.Myosin D.Insulin

The Middle East shares many cultural characteristics with __________. a. northern Africa b. eastern Asia c. central America d. western Europe

Which of the following are the measurements of the sides of a right triangle? a. 7, 14, 16 b. 6.2, 13.8, 20 c. 10, 11, 13 d. 9, 12, 15

The rate law for a hypothetical reaction is rate = k [A][B]. If the concentrations of A and B are both 0.020 moles per liter and k = 1.3 × 10-1 M-1s-1, what is

One of the main ideas of economics is that every choice made involves a cost

Which of the following MOST accurately describes civil disobedience? bringing suits before the courts to challenge laws as unconstitutional lobbying members of