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FinnZ [79.3K]
3 years ago
14

Need help for this question

Mathematics
1 answer:
stepan [7]3 years ago
8 0
Either the answer is 3286 or 6283, else both can be the answer
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1. Solve triangle ABC if A = 42.3º, b = 12.9 meters, and c = 15.4 meters.
kumpel [21]

Answer:

a = 10.36m

B = 47.7º

C = 90º

Step-by-step explanation:

we know the angle of A so we do the sin of A; Spoiler: its 0.67

0.67 = a / 15.4

0.67 * 15.4 = a

a = 10.36

----------

B = 90 - 42.3 = 47.7º

6 0
3 years ago
Given the center of a circle as ( 1, -1 ) and a point on the circle at (4 , 2). Write the equation of the circle. *
Andru [333]

Answer:

(x − 1)² + (y + 1)² = 18

Step-by-step explanation:

Equation of a circle is:

(x − h)² + (y − k)² = r²

where (h, k) is the center and r is the radius.

The center is (1, -1), so plugging that in:

(x − 1)² + (y + 1)² = r²

A point on the circle is (4, 2), so plugging that in:

(4 − 1)² + (2 + 1)² = r²

18 = r²

Therefore, the equation is:

(x − 1)² + (y + 1)² = 18

7 0
3 years ago
What is t²=81. thanks!!
seraphim [82]

Answer:

t= 9, t= -9

Step-by-step explanation:

6 0
3 years ago
6,283.25 what place is the 2 in, in 283
Vaselesa [24]
Its in the hundreds column
8 0
3 years ago
The altitude drawn to the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 4 and 12. Find the leng
Ostrovityanka [42]

Answer:

8 units.

Step-by-step explanation:

The smaller of the right triangles formed is similar to the whole triangle so

4/x = x/16   where  x = the shorter leg

x^2 = 64

x = 8.

7 0
3 years ago
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