Answer: attached 47 degrees
Step-by-step explanation:
There is three inner triangles the total angle is 540 or 180*3 see comment
By changing their exponent to negative.
Ex.
If the drawing is 5 inches tall and the ratio is 1:7, that means that 1 inch will be equal to 7 feet.
Height = 5 x 7 = 35 feet