Answer: 18
Step-by-step explanation:
Perimeter of semicircle: 1/2 π × d + d
1/2 π × 12 + 12
π6+ 12
π18
Answer:
The term X is a variable that takes the place of any number. ... Similarly 2 multiplied by X results to X plus X which means a number added to itself since multiplication is a repeated addition. So 2X = 2 * X = X + X = 2X.
Step-by-step explanation:
can i have brainliest
C because you add the angles together
Because segments XY and XZ are of equal length, angle Y and angle Z must be congruent.
All inner angles must add to 180 degrees since it's a triangle.
70+70+x=180
140+x=180
x=40
Final answer: D
