annakoslovsky3040
15.06.2020 •
Mathematics
In triangle ABC, angle A is a right angle, and measure of angle B = 45 degrees.
What is the length of BC? If the answer is not an integer, leave it in simplest radical form? The diagram is not drawn to scale?
A. 13 sqrt of 2 ft
B. 13 sqrt of 3 ft
C. 26 ft
D. 13 ft
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Ответ:
13√2
Step-by-step explanation:
this is cuz of the 45 45 90 formula
Ответ:
Ответ:
a = 4, d = 5 - 4 = 1, n = 150
Sn = n/2[2a + (n - 1)d]
S(150) = 150/2[2(4) + (150 - 1)1] = 75[8 + 149] = 75(157) = 11,775