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01 emgega u1 pares de angulos y rectas

∠𝑎

∠𝑎

∠𝑏

∠𝑏

∠𝑎 + ∠𝑏= 900

∠𝑎 ∠𝑏 ∠𝑏 = 1800

∠𝑎 = ∠𝑐

∠𝑎 +

∠𝑏 = ∠𝑑

̅̅̅̅ 𝐴𝐵

̅̅̅̅ 𝐶𝐷

𝑥𝑒𝑦

𝑥+𝑦

130

𝑦 = 130

130

𝑥 + 𝑦 = 130 50

𝑥+

𝑥 + 𝑦 = 130 𝑥 − 4𝑦 = 50

4𝑥 + 4𝑦 = 520 𝑥 − 4𝑦 = 50 5𝑥 = 570 𝑥=

570 = 114 5 𝑥 = 14

𝑥=

𝑦 𝑥 + 𝑦 = 130 114 + 𝑦 = 130 𝑦 = 130 − 114 𝑦 = 16

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01 emgega u1 pares de angulos y rectas by PDLM - Issuu