We can use the ratios for special triangles (see the attachment below). We'll be using the 45-45-90 triangle. We notice that side BC is equal to

, and side AC (x using the special right triangle) is equal to 16. We can therefore say that side BC is equal to

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Answer:
.78 x = 42
x = 42 / .78
The number is 53.8461538462
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
radius is 1/2 of diameter
Answer:
1014 cm^2.
Step-by-step explanation:
There are 6 square faces on the cube and each face has area 13^2 = 169 cm^2.
The total area is 169 * 6 = 1.014 cm^2.