The answer:
the complement of the question proposed one of the choices given beneath:
a) 58.8
b) 53.0
c) 29.4
d) 26.5
as we observe at the figure, AOB an isosceles triangle, and OCB is a right triangle
consider OCB
OC =9, OB= radius = 28
the problem is how to find the length of CA, for that C is a midpoint of segment AB, so AC=BC
BC can be found by using pythagorean theorem
OB²= OC² + CB², this implies CB² = OB² - OC²
CB² = 28² - 9² = 784 - 81=703, therefore CB= sqrt (703)=26.51
CB=26.51, since CB= AC, so AC=CB= 26.51
finally the <span>the length of AB is AB = 2 x CB = 2x AC= 2x 26.51= 53.0
</span>
the answer is b) 53.0
Answer:
3
Step-by-step explanation:
15v-55=-10
15v=45/÷15
v=3
Answer:
(2, 12)
Step-by-step explanation:
You do it by adding
2 and 0.
4 and 8.
Answer:
276
Step-by-step explanation:
240+(240*.15) = 276
Answer:
22222222222222+2222222222222222222
= 2222244444444444444
Step-by-step explanation:
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