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Leya [2.2K]
2 years ago
5

Please please help!! it’s geometry and im struggling really badly

Mathematics
2 answers:
saul85 [17]2 years ago
6 0
13: SSS 14 : SSS 15:ASA
AURORKA [14]2 years ago
4 0

Answer:

10. SAS

11. SAS

12. SAS

13. SSS

14. SSS

15.ASA

Step-by-step explanation:

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Find the sizes of the angles marked with a letter.<br> Why is my answer wrong?
jeyben [28]

Answer:

29.28 degrees.

Step-by-step explanation:

sin x / 16.2 = sin 49 / 25

Cross multiply:

25 sin x = 16.2 * sin 49

sin x = (16.2 * sin 49) / 25

sin x = 0.48905

x = 29.28 degrees.

8 0
3 years ago
Consider the vector add = a + b = [13 12 11 10 10] and sub = a - b = [-11 - 6 - 14 8]. Find the vector a and b.
prisoha [69]

Answer:

a = [1   3   5   7   9] and b = [12   9   6   3   1]

Step-by-step explanation:

The addition of two vectors a and b is defined as

a + b = [13   12   11   10   10]                .... (1)

The subtraction of two vectors a and b is defined as

a - b = [-11   - 6   - 1   4    8]                 .... (2)

After adding (1) and (2), we get

(a + b) + (a - b)= [13   12   11   10   10] + [-11   - 6   - 1   4    8]

On simplification we get

2a = [13-11   12-6   11-1   10+4   10+8]

2a = [2   6   10   14   18]

Divide both sides by 2.

a = [1   3   5   7   9]

Substitute the value of vector a in equation (1).

[1   3   5   7   9] + b = [13   12   11   10   10]

Subtract vector a from both sides.

b = [13   12   11   10   10] - [1   3   5   7   9]

On simplification we get

b = [13-1   12-3   11-5   10-7   10-9]

b = [12   9   6   3   1]

Therefore the vectors a and b are defined as a = [1   3   5   7   9] and b = [12   9   6   3   1].

4 0
2 years ago
Find the sine ratio of angle Θ. Hint—Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no sp
Ainat [17]

Answer:

sinΘ = \frac{12}{13}

Step-by-step explanation:

sinΘ = \frac{opposite}{hypotenuse} = \frac{AB}{BC} = \frac{12}{13}

5 0
2 years ago
Find the value of a in this isosceles trapezoid. D. 11 A. 7 B. 15 C. 4​
UNO [17]

Answer:

B

Step-by-step explanation:

Because 15-4=11

and both angles are equal

4 0
3 years ago
Which choice is equivalent to the product below? square root 2 3 6
Butoxors [25]

Answer:

6

Step-by-step explanation:

Pull terms out from of the radical,assuming positive real numbers .

3 0
3 years ago
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