1-2-3 Magic (Effective Discipline for Children 2-12)

1-2-3 Magic (Effective Discipline for Children 2-12)

Matematika Sekolah Menengah Atas tolongg bantu jawab ​pleasee

tolongg bantu jawab ​pleasee

Pembahasan :

HB⃗ = AB⃗ - AH⃗

= p⃗ - ( q⃗ + r⃗ )

= p - q - r

opsi C.

panjang AB =

(5² + 10²) =

√(25+100) =

√125 =

55

opsi D

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