Pertanyaan

Perhatikan gambar berikut! b. Tentukan besar ∠ ABD dan ∠ PQT !

Perhatikan gambar berikut!

b. Tentukan besar $∠ ABD$ dan $∠ PQT$ !

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N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

besar dan adalah dan .

besar

dan

adalah

dan

Pembahasan

- Nilai - Nilai Sehingga: Jadi,besar dan adalah dan .

- Nilai straight p

$2 straight p degree plus 36 degree equals 90 degree space rightwards arrow space Berpenyiku space space space space space space space space space space 2 straight p degree equals 90 degree minus 36 degree space space space space space space space space space space 2 straight p degree equals 54 degree space space space space space space space space space space space space straight p degree equals fraction numerator 54 degree over denominator 2 end fraction space space space space space space space space space space space space space space straight p equals 27 degree$

- Nilai straight q

$3 straight q degree plus 90 degree plus 2 straight q degree equals 180 degree space rightwards arrow space Berpelurus space space space space space space space space space space 5 straight q degree plus 90 degree equals 180 degree space space space space space space space space space space space space space space space space space space space space 5 straight q degree equals 180 degree minus 90 degree space space space space space space space space space space space space space space space space space space space space 5 straight q degree equals 90 degree space space space space space space space space space space space space space space space space space space space space space space straight q degree equals fraction numerator 90 degree over denominator 5 end fraction space space space space space space space space space space space space space space space space space space space space space space straight q degree equals 18 degree$

Sehingga:

angle ABD equals 90 degree plus 2 straight p degree equals 90 degree plus 2 open parentheses 27 close parentheses degree equals 90 degree plus 54 degree equals 144 degree angle PQT equals 3 straight q degree equals 3 open parentheses 18 close parentheses degree equals 54 degree

Jadi, besar angle ABD dan angle PQT adalah 144 degree dan 54 degree .