So a)
it has 4 faces
first=30
second=30
third=20
fourth=20
b)surface area=120
Answer:
m
Step-by-step explanation:
m * n^0
Anything to the zero power is 1
m* (1)
m
Answer:
C (0, 9)
Step-by-step explanation:
First, X is reflected across the line x=2.
X(4, -7) becomes X'(0, -7).
Next, X' is reflected across the line y=1.
X'(0, -7) becomes X"(0, 9).
Answer:
Shape Number of Lines of Reflection Description
equilateral triangle 3 3 perpendicular bisectors of the sides
regular heptagon 7 7 perpendicular bisectors of the sides
regular octagon 8 4 perpendicular bisectors and 4 lines joining pairs of opposite vertices
Step-by-step explanation:
<span>cross Products Property should be:
10 * K = 8 * 7
10k = 56
k = 56/10
k=5.6</span>