Geometry Answers

Calculate the perimeter of the window

A map of the world is 7 feet wide and 3 feet tall. What is its perimeter?

What is the length of a circular arc (in metres) substended by beta if r=6 metres and beta= 30 degrees

i.pie, ii.1, iii. 3 pie, iv.2 pie

Construct ABC=60° show construction lines

Given a triangle with sides 7m, 8m and 3m. What is 50% the area of this triangle?

35, Of a triangle we know that the sides a, b, c (a>b>c) and the angle α,β,γ opposite to the sides respectively. Which of the following statement is true.

A.      α + β > γ

B.     α + β = γ

C.     α + β < γ

D.     a + b < γ

, Given the line r with equations y= x + a

A.     The line y= -x represent a line perpendicular to r

B.     The line x= y + a represent a line perpendicular to r

C.     Th line y=-x + b represent a line parallel to r

D.     The line x + y= a represent a line parallel to r

Calculate a volume of a rectangular prism

the vertical cross section of a 40 foot high masonry dam is uniform. The dam is 80 feet long and weighs 125 pounds per cubic foot. Determine the dam's weight