Question

Ini gimana ya tolong ya pake jalannya

Answer 1

Verified answer

8. A. 38cm
    Keliling Persegi Panjang     = 7cm + 10cm + 10cm = 27cm
    Keliling setengah lingkaran =
    Keliling bangun No. 22 = 27cm + 11 cm = 38cm


9. D. 792
    Luas layang-layang = x D1 x D2
                                    = x (14cm+30cm) x (18cm+18cm)
                                    = x  44cm x 36cm
                                    = x  1.584cm
                                    = 792