2 years ago

This is a cross section of the design of a bookshelf.

Mathematics

1 answer:

Elanso [62]2 years ago

6 0

Answer:

25 in

Step-by-step explanation:

$a^{2} +b^{2} =c^{2} \\15^{2} +20^{2} =c^{2} \\225+400=c^{2} \\c^{2} =625\\c=\sqrt{625} \\c=25$

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Help plz only one question and the ans will come 100 ,100 ,80 of each angle

salantis [7]

z° = 80° (Being corresponding angles)

y° + 80° = 180° (Being linear pair of angles)

=> y° = 180° - 80°

=> y° = 100°

x° = y° (Being interior opposite angles)

=> x° = 100°

6 0

2 years ago

Find the roots for y = 3x2 - 5x - 1

Mars2501 [29]

Step-by-step explanation:

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