Question

!!!urgent!! dau coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

c) fiecare are masura egla cu 90°

d) congruente

e) egale

f) 90° - x°

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4.

a) 90° - 60° = 30°

b) 90° - 17°45' = 89°60' - 17°45' = 72°15'

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5,

a) 180° - 74° = 106°

b) 180° - 117° = 63°

c) 180° - 54°29' = 179°60' - 54°29' = 125°31'

d)180° - 128°57' = 179°60' - 128°57' = 51°3'

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6.

a) 90° - 29° = 61°

b) 90° - 67° = 23°

c) 90° - 35°14' = 89°60' - 35°14' = 54°46'

d) 90° - 76°47' = 89°60' - 76°47' = 13°13'