Question

Tolong ya nomor 10 dan 11 pakai cara

Answer 1

19 ) = √ 20² - 16²......... = √ 400 - 256......... = √ 144......... = 12 cm ..... Jadi panjang BQ = 12 - 8 = 4 cm.......... Jawaban ( c ) 20) = √ 13²- 12²........... = √ 169 - 144......... = √ 25............ = 5cm ............jadi panjang BP = 5 - 3 = 2 cm...... L . lingkaran p = 3,14 x 2 x 2 = 12,56.......... L.lingkaran O = 3,14 x 3 x 3 = 28,26 .......... Jadi perbandinganya = P & O = 12,56 : 28,26 = 4 : 9 ........ Jawabanya ( b ) ........ Semoga dapat me,bantumu

Answer 2

10.
AB² =√j²-(r¹+r²)²
16² =20²-(r¹+r²)²
256=400-(r¹+r²)²
(r¹+r²)²=400-256
(r¹+r²)²=144
r¹+r² =√144
8+r²=12
r² =12-8
=4