Answer:
358.9 I think
Step-by-step explanation:
Answer:
60.6 cm
Step-by-step explanation:
The perimeter P is the sum of the 4 sides, that is
P = 14.8 + 12.5 + 16.3 + 17 = 60.6 cm
Answer:
???????????????????
Step-by-step explanation:
First you need to know that the internal angles of a triangle always equals 180°. Therefore:
15+45= 90°
Then since the angles should equal 180, you do:
180-90=90
So the missing angle equals 90°