Here is a sketch of a Pratt truss, patented in 1844 by two Boston railway engineers, Caleb Pratt and his son Thomas Willis Pratt. Name two triangles from the Pratt truss in the illustration that you would expect to be congruent. This question is by a pex, by the way if someone answers with 'answer is in the link below' do not click it

answer is x<

translate k to n and reflect across the line containing jk.

no i do not : ( what is it?

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )