4. A textbook has 428 pages numbered in order starting with 1. You flip to a random
page in the book in a way that it is equally likely to stop at any of the pages.
a. What is the sample space for this experiment?
b. What is the probability that you turn to page 45
c. What is the probability that you turn to an even-numbered page?
d. If you repeat this experiment 50 times, about how many times do you expect
you will turn to an even numbered page?
ANSWER A-D

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answer: 75°

step-by-step explanation:

∠esk is the supplement of ∠edk, so is 100°. ∠esd = 1/2·arc ed, so is 25°.

since ∠esk = ∠esd + ∠dsk

you have 100° = 25° + ∠dsk . .

fill in known values 75° = ∠dsk . . . . .

subtract 25°

step-by-step explanation:

the answer is:

the lateral area is equal to

to find the lateral area of the square pyramid, first we need to find the perimeter of the base, and then, find the lateral area using the following formulas:

where,

s, is the base length

slant height, is the height of a the side of the pyramid

we are given:

now, calculating the perimeter of the base, we have:

then, calculating the lateral area:

hence, we have that the lateral area is equal to

have a nice day!