3 years ago

Which polygon has an interior angle sum of 900°

Mathematics

2 answers:

sleet_krkn [62]3 years ago

6 0

Answer:

Step-by-step explanation:

Sum of interior angle = (n-2)180

900 = (n - 2)180

Opening bracket

900 = 180n - 360

180n = 900 + 360

180n = 1260

n = 1260/180

n = 7

yulyashka [42]3 years ago

5 0

Answer:

? i think it d

Step-by-step explanation:

you need to find one with congruent sides (equal)

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