Answer:
p=1/2*3.14+d
1/2*3.14*19.5=30.615
=30.615+39
=69.615
=69.6
Step-by-step explanation:
since it's half a circle we take the formula of acricle to be half
Answer:
My eye color is brown
Step-by-step explanation:
just is :0
Dont press
That link is very bad , hope this help 12-13
Answer:
D. 55°
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
<u>Geometry</u>
- All angles in a triangle add up to 180°
Step-by-step explanation:
<u>Step 1: Set Up Equation</u>
40° + (y + 30)° + y° = 180°
<u>Step 2: Solve for </u><em><u>y</u></em>
- Combine like terms: 2y° + 70° = 180°
- Isolate <em>y</em> term: 2y° = 110°
- Isolate <em>y</em>: y° = 55°
Answer 1 1 3 and three
Step-by-step explanation: