In a 13 sided polygon, the sum of five angles is 1274 degree, four of the eight angles remaining are equal and the other four are 18degree less than each of the equal angles. find the angles with workings

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?