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Eva8 [605]
2 years ago
12

Triangle M is similar to triangle N. Triangle M has two angles with measures of 32° and 93°. Which to angle measures could be in

cluded in triangle N.

Mathematics
2 answers:
Morgarella [4.7K]2 years ago
7 0

Answer:

The correct answer is c. 93° and 55°

Step-by-step explanation:

If the two triangles are similar, that means the two triangles are congruents (similar shape, size and angles).

Triangles have a property that they always have to fulfill, which is, that the angles of the triangle have to sum 180 degrees.

Angle 1 + Angle 2 + Angle 3 = 180°

Therefore, if triangle M has Angle 1 = 32° and Angle 2 = 93°

32° + 93° + Angle3 = 180°

Angle3 = 180° - 32° - 93°

Angle3 = 55°

Therefore, Triangle N must have the same angles:

Angle1 = 32°

Angle2 = 93°

Angle3 = 55°

Therefore the correct answer is c. 93° and 55°

Anni [7]2 years ago
6 0
Its c bc all of a triangles sides add up to 180 and if you do 32 + 93= 125 and then if you add 55 you get 180, sense the triangles are the same that means they have the same angles so if you add 93 + 55 you get 148 and 148 + 32 = 180
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<span><span> <span>Akar akar persamaan kuadrat 2x² - 3x -1 = 0 adalah x1 dan x2. Persamaan kuadrat baru yang akar akarnya satu lebih kecil dari dua kali akar akar persamaan kuadrat di atas adalah ........</span></span><span><span><span>A.x² - x - 4 = 0</span><span>B.x² + 5x - 4 = 0</span><span>C.x² - x + 4 = 0</span></span><span><span>D.x² + x + 4 = 0</span><span>E.x² - 5x - 4 = 0</span></span></span><span>Jawaban : A
Penyelesaian : 
Akar-akar persamaan lama :  x1 dan x2
                                             
Akar-akar persamaan baru :  xA dan xB
                                             xA = 2x1 - 1
                                             xB = 2x2 - 1
                                             xA + xB  = (2x1 - 1) + (2x2 - 1)
                                                           = 2 (x1 + x2) - 2
                                                           = 2 () - 2
                                                           = 3 - 2
                                              xA + xB = 1
    
                                              xA . xB = (2x1 - 1) (2x2 - 1)
                                                          = 4 x1.x2 - 2(x1 + x2) + 1
                                                          = 4.(-) - 2() + 1
                                                          = -2 - 3 + 1
                                              xA . xB = -4
    
Jadi persamaan kuadrat baru : x² - (xA + xB)x + xA . xB = 0
                                              x² - x - 4 = 0

</span></span>
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