A square has sides of length 2k + 1 units. An equilateral triangle has sides of length k + 8 units. The square and the triangle have the same perimeter. What is the value of k?

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Write a similarity statement for the similar triangles. afgh ~ a

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?