Mathematics, 31.07.2019 02:00, girlwonder326
Trapezoid abcd has parallel sides ab and cd, of lengths a and b respectively. diagonals ac and bd intersect at e. draw the line through e that is parallel to ab and cd, and let p and q be its intersections with ad and bc respectively. (a) prove that e is the midpoint of p q. (b) show that p q = 1 1 2 1 a + 1 b . p q is known as the harmonic mean of a and b
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:00, RoyalGurl01
Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5
Answers: 1
Mathematics, 22.06.2019 00:30, jamiej231984
Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.
Answers: 3
Do you know the correct answer?
Trapezoid abcd has parallel sides ab and cd, of lengths a and b respectively. diagonals ac and bd in...
Questions in other subjects:
Mathematics, 11.05.2021 03:10
Social Studies, 11.05.2021 03:10
Mathematics, 11.05.2021 03:10
