Answer:
There's 2: I've attached an image.
Step-by-step explanation:
Lines of symmetry are found when you fold it, and it's exactly the same on both sides of the line that you folded it.
If your teachers ask, no, it cannot be diagonal. The triangles would not match up.
Answer:
Area=80 units squared
A=base*height
A=base*height/2
Step-by-step explanation:
7*8=56/2=28
7*8=56/2=28
3*8=24
28+28+24
56+24
80
Answer:
84
Step-by-step explanation:
Combinations
nCr
n (objects) = 9
r (sample) = 3
9C3
n! / r! (n – r)!
9! / 3! (9 – 3)!=
9! / (3! * 6!)=
9*8*7*6!/ (3! * 6!)=
6! cancels out
9*8*7/3*2*1=
3*4*7=
12*7=
84
Answer:
the correct answer is B
Step-by-step explanation:
Square root of 324 = 18 inches.
Perimeter = 18 inches x 4 = 72 inches.
18 times 4 because each side of square tile equals to 18 inches and there's 4 sides.
The answer is 72 inches.
Hope this helps.
