Answer:
A=49 degree
a=13.5
b=11.7
Step-by-step explanation:
Answer: 5.44449
step-by-step explanation:
Answer:

Step-by-step explanation:
The rectangle is rotated 90 degrees clockwise about the cross.
Answer:
30°,40°
Step-by-step explanation:
let the other angles be 3x and 4x
3x+4x+110=180
7x=180-110=70
x=70/7=10
3x=3×10=30
4x=4×10=40