Jawaban:
dut sudut
Penjelasan dengan langkah-langkah:
5c + 30⁰ = 180⁰
5c = 180- 30⁰
c = 150⁰ /5
= 30⁰
150⁰ - 2a + 30 = 180⁰
2a = 180⁰ - 120⁰
= 60⁰
a = 60⁰ / 2
∆ABC = 180⁰
4b + 60⁰ + 30⁰ = 180⁰
4b = 180⁰ - 90⁰
b = 90⁰ / 4
= 22.5⁰
2a + 4b + c
= 2(30⁰) + 4(22.5⁰) + 30⁰
= 60⁰ + 90⁰ + 30
>>>>>>======<<<<<<<
2x + 5 + 3x + 25⁰ = 180⁰
5x = 180⁰ - 30⁰
x = 150⁰ / 5
A = 2x + 5
= 2(30⁰) + 5
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Jawaban:
dut sudut
Penjelasan dengan langkah-langkah:
5c + 30⁰ = 180⁰
5c = 180- 30⁰
c = 150⁰ /5
= 30⁰
150⁰ - 2a + 30 = 180⁰
2a = 180⁰ - 120⁰
= 60⁰
a = 60⁰ / 2
= 30⁰
∆ABC = 180⁰
4b + 60⁰ + 30⁰ = 180⁰
4b = 180⁰ - 90⁰
b = 90⁰ / 4
= 22.5⁰
2a + 4b + c
= 2(30⁰) + 4(22.5⁰) + 30⁰
= 60⁰ + 90⁰ + 30
= 180⁰ >>D
>>>>>>======<<<<<<<
2x + 5 + 3x + 25⁰ = 180⁰
5x = 180⁰ - 30⁰
x = 150⁰ / 5
= 30⁰
A = 2x + 5
= 2(30⁰) + 5
= 65⁰. >>C