Step-by-step explanation:
Your answer is 4. Hope you like my answer.
Well if you have to add up to 180 degrees and you already have 90 degrees covered because of the right triangle then it should be 45 and 45
Step-by-step explanation:
This is an acute triangle
A=((8.9+8.9)/2) * 5.4 = 48.06P= 8.9*2 +6*2 = 28.4