400+200 or add 368+231= 599 and you round your answer, woulb be 600
Try this suggested solution, note, 'D' means the region bounded by the triangle according to the condition. It consists of 6 steps.
Answers are underlined with red colour.
P = 8 + 10 + 8 + 10
P = 36
..................................
Answer:
209.125
Step-by-step explanation:
Since it took the 1.25 as long, you would multiply the numbers together