mirmir62
11.11.2020 •
Mathematics
Consider a right triangle with leg b = 7.1 and opposite angle B = 39.3. Using a calculator, determine the other angle and the remaining sides of the triangle. Express your answers using at least one decimal place.
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Ответ:
i. a = 8.7, b = 7.1 and c = 11.2
ii. A = , B = and C =
Step-by-step explanation:
Given a right triangle with, b = 7.1 and B = .
I. Applying the trigonometric function to determine leg a, we have;
Tan θ =
Tan =
a =
= 8.675
The length of leg a is 8.7.
ii. To determine leg c,
Sin =
=
⇒c =
= 11.21
The length of leg c is 11.2.
iii. Given that: B = and C =
Then,
A + B + C = (sum of angles at a point)
A + + =
A + =
A = -
=
Ответ:
the anwser is c (x + 2)2 + (y – 1)2 = 25
Step-by-step explanation: