B. 68 cm
Penjelasan :
Keliling layang layang =
2 ( AB + AD )
2 ( 8 cm + 26 cm )
2 × 34 cm
68 cm
Luas layang layang 1/2 × d1 × d2
1/2 × 20 cm × 30 cm
10 cm × 30 cm
300 cm
Semoga membantu,sekian terimakasih~
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B. 68 cm
Penjelasan :
Keliling layang layang =
2 ( AB + AD )
2 ( 8 cm + 26 cm )
2 × 34 cm
68 cm
Luas layang layang 1/2 × d1 × d2
1/2 × 20 cm × 30 cm
10 cm × 30 cm
300 cm
Semoga membantu,sekian terimakasih~