X represents (smaller) angle 1, y represents (larger) angle 2:
180 = x + y
y = 6x + 5
180 = x + y
180 = x + (6x + 5)
180 = 7x + 5
175 = 7x
25 = x
180 = 25 + y
155 = y
the smaller angle (x) is 25 degrees.
Identify the property of equality which yields Step 1.
BEDMAS
Brackets
exponents
division & multiplication }
addition & subtraction} -these 2 last ones can be done interchangably or from left to right
Answer: 5.14 cu in
Step-by-step explanation:
1/2 (π × d) + d, where d is the diameter of the semi
Perimeter = 1/2 (3.14 x 2) + 2
= 1/2 * 6.28 + 2
= 3.14 + 2
