Х²-12х+32=(х-8)(х-4) докажите тождество

Х²-12х+32=(х-8)(х-4) (х-8)(х-4) = х²+32 - 4x - 8x = х²-12х+32 х²-12х+32 = х²-12х+32

При  пересечении двух прямых образуется 4 угла, которые попарно равны. это вертикальные углы. а которые не равны - те смежные, в сумме 180°. а)  один  угол = второй угол = 48°,  третий = четвертый = 180° - 48° = 132°. б)  сумма  двух углов равна 156° - значит, это вертикальные  углы,  и каждый равен  156°/2 = 78°. а два другие угла равны 180° - 78° = 102°. в)  сумма  трех углов равна 232°, из них обязательно будет два смежных. третий угол равен 232°-180° = 52°. значит, смежные равны 180°-52° = 128°. проверяем  сумму  трех углов: 52° + 128° + 52°  = 232°. все правильно.

0 және не знаю как гOTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

Write the correct preposition, then complete the

sentences for you.

Write the correct preposition, then complete the

sentences for you.

Write the correct preposition, then complete the

sentences for you.

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

OTBET:

the afternoon, learn work

in lunchtime, I eat pizza and drink juice

in night, I watch TV or play mobile games

in weekend, I go to picnicin

Write the correct preposition, then complete the

sentences for you.

Write the correct preposition, then complete the

sentences for you.

Write the correct preposition, then complete the

sentences for you.

Write the correct preposition, then complete the

sentences for you.

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