Answer:
A closed cone has 0 verticals.. but 1 vertice
Step-by-step explanation:
Answer:
44
Step-by-step explanation:
you would add 15+15 and 12+12 because it is rectangular meaning there are 4 sides 2 for the y angle and 2 for the x angle
Answer:
<u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>.</u>
Step-by-step explanation:
(2x-4)² =?
(2x-4)² = (2x)² - (4)²
= <u>4x² - 16.</u>
Answer:
B
Step-by-step explanation:
First find the circumference of the circle with radius of 9 inches:

The full angle has 360°, so, to find the length of the arc DE, you can write:

which yields a proportion:
