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Genrish500 [490]
2 years ago
11

PLS EXPLAIN I NEED HELP

Mathematics
2 answers:
bearhunter [10]2 years ago
5 0

Answer: x = 20 units

Step-by-step explanation:

     Since this is a right triangle, we can use the Pythagorean theorem (c is the hypotenuse and a & b are the legs.);

           a² + b² = c²

a² + b² = c²

(21)² + (x)² = (29)²

441 + (x)² = 841

(x)² = 400

x = \sqrt{40} = 20

Elza [17]2 years ago
3 0

Answer:

Answer x   = 20                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

Step-by-step explanation:

Givens

c =29

a = 21

b =  ?

Formula

c^2 = a^2 + b^2                       Substitute the givens into the formula

Solution

29^2 = 21^2 + b^2                   Expand

841 = 441 + b^2                        Subtract 441 from both sides

841 - 441 = 441 +441 +  b^2

400 = b^2                                Take the square root of both sides.

√400 =  √b^2

20 = b

Answer

x = 20

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