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P. 1
2019
8∙ 3 8−4 ∙ 3−6 = ∙− .1
4∙ .2
6=
.3
ED ∥ BC 9 3 ABC AED
.1: 3 ED 3 6 BC
180° EFGH 6 × (2 + 6)
S= 2 =
.4 × 180° = 720° 4
4
360°
.720°− 360°=
.4
= 45 + 60 − 100 =
=
.45 5
.5
2
2∙ℎ 2∙2
=2 = 2 =
