6 regular triangles meet at vertex to form a regular tessellation.
Answer is D.
Hope it helps!
31.75 as an improper fraction is 127/4. The mixed number fraction is 31 3/4.
Answer:
64
Step-by-step explanation:
length x width x height= volume
4x8x2= 64
To solve we need to use Pythagoras theorem (

)
There are 2 possible lengths for x: hypotenuse or one of the 2 shorter sides.
Hypotenuse:
10^{2} + 21^2 =

100+441=

23.3≈x
Shorter leg:



= 441-100

x≈18.47
Answer:
Step-by-step explanation:
<u>Given</u>
<u>Substitute x with -3</u>
-
h(-3) = (-3)^-2 = 3^-2 = 9^-1 = 1/9