Answer:
a. hexagon, convex
b. pentagon, concave
c. heptagon, convex
d. decagon, concave
Step-by-step explanation:
Count the sides. Refer to your memory or a list of polygon names for the appropriate name.
If any internal angle measures more than 180°, the polygon is concave. Otherwise, it is convex.
First, find the missing leg of ΔBCD (line BD). Using the Pythagorean Theorem, subtract (5^2)-(3^2) [25-9], and you get 16. Find the square root of 16, and you get <em>4</em> for line BD. Now, you can find AB. Add (7^2)+(4^2) [49+16], and you get 65. Now, since 65 isn't a perfect root, just use √(65)
Answer: Line AB equals √(65).
Answer:
(4, 3)
Step-by-step explanation:
just is
[character limit thing]
Answer:
тнє ρє¢єитαgє σf вℓυє ιѕ:28%
тнє ρєя¢єитαgє σf ρυяρℓє ιѕ:72%
Step-by-step explanation:
нσρє ι ¢συℓ∂ нєℓρ уσυ συт!!!!!!
Answer:
x = 7
Explaination:
ABC = 40°
and BD bisects the angle so ABD = 20°
so 3x-1=20
solving for x gets us
x = 7
