leslie66
leslie66
25-04-2017
Mathematics
contestada
Please help. Don't know what to do. (Geometry)
Respuesta :
mohabbasem
mohabbasem
25-04-2017
(360/10)/2 = 18°
Cos(18)=a/r=a/5 ---> a=4.8
Tan(18)=o/a=o/4,8 ---> o=1.6
Area = 1/2 * 4.8 * 1.6 * 20 = 76.8
The right answer is A, i have just rounded up, so i didn't get is precise.
Answer Link
VER TODAS LAS RESPUESTAS ( 53+ )
Otras preguntas
PLEASE HELP!!Fit a Quadratic function to these three points: (-1,-11), (0,-3) and (3,-27)A. y=-4x^2+ 4x- 3B. y=4x^2- 4x- 3C. y=-4x^2 - 4x + 3D. y=-4x^2- 4x-v3
what process indicate that smelting copper is a chemical change
Elizabethan dramatic form includes which of these? Select all that apply.melodrama comedy tragedy history farce comedy of manners
Under the system of sharecropping during Reconstruction, contracts often favored landowners. laborers. freedmen. the government.
The graph below represents the number of books Jaleel has read over the past x weeks. Books Read mc006-1.jpg Which equation represents the graph?
Please help, (03.05) serious answers please. Escoge el verbo que es la forma correcta del futuro perfecto. Choose the correct form of the verb in the future per
BRAINLIESTTTT ASAP!!! 1. Which of the following is released during cellular respiration? Carbon dioxide Glucose Mitochondria Oxygen 2. The balanced equation
what shape has a vertex that is also an apex
Carmen is simplifying the expression (6.21 + 0.93) + 0.07 She recognizes that 0.93 and 0.07 will combine to equal 1, so she would like to find that sum before
During the twentieth century, the real income of blue-collar workers in western societies __________ overall, although it has ______________ in the past 20 year
