Matematika Sekolah Menengah Pertama tolong bantu, jangan ngasal mohon bantuannya yah <3​

haleyortizulv – June 05, 2023

tolong bantu, jangan ngasal mohon bantuannya yah <3​

Nomor 1

A(10,4)

B(-2,-1)

AB² = (10+|-2|)² + (4+|-1|)²

AB² = 12² + 5²

AB² = 144+25

AB = 169

AB = √169

AB = 13 satuan

Nomor 2a

PR² = PQ² + QR²

PR² = 12² + 9²

PR² = 144 + 81

PR = 225

PR = 15 satuan

Nomor 2b

PK = MR = 8 satuan

RK² = PK² + PR²

RK² = 8² + 15²

RK² = 64 + 225

RK² = 289

RK = √289

RK = 17 satuan

Materi : Teorama Phytagoras

Soal Nomor 1

Titik A( x¹ = -2 dan y¹ = -1 )

Titik B( x² = 10 dan y² = 4 )

\___________________/

AB² = ( x² - x¹ )² + ( y² - y¹ )²

AB² = ( 10 + 2 )² + ( 4 + 1 )²

AB² = 12² + 5²

AB² = 144 + 25

AB² = 169

AB = √169

{ AB = 13 satuan }

Soal Nomor 2

Bagian A

Diagonal Bidang PR

PR² = PQ² + QR²

PR² = 12² + 9²

PR² = 144 + 81

PR² = 225

PR = √225

{ PR = 15 cm }

Bagian B

Diagonal Ruang RK

RK² = PQ² + QR² + MR²

RK² = 12² + 9² + 8²

RK² = 144 + 81 + 64

RK² = 225 + 64

RK² = 289

RK = √289

{ RK = 17 cm }

Semoga bisa membantu

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