A) (3x+30)+(x-5)+35=180
4x+60=180
4x=120
x=30
b) A=x-5
A=25
B=3x+30
B=120
Answer:
I guess the correct answer is 116 cm
Step-by-step explanation:
Answer: (7/2)^2
Step-by-step explanation:
Left Side Triangle: x = 142°
Top Middle Triangle: x = 136°
Bottom Middle Triangle: x = 26°
Right Side Triangle: x = 54°