Berilgan ikkita kesmaga o‘rta proporsional kesmani yasash — 9-sinf Geometriya test savollari

1.a = 1 sm va b = 100 sm kesmalarga o‘rta proporsional kesmani toping.

• A)50,5 sm
• B)101 sm
• C)10 sm
• D)20 sm

2.a = 9 sm, x = 6 sm (o‘rta proporsional) bo‘lsa, b ni toping (x² = a·b).

• A)9 sm
• B)54 sm
• C)4 sm
• D)3 sm

3.a = 16 sm va b = 4 sm kesmalarga o‘rta proporsional kesmani toping.

• A)10 sm
• B)8 sm
• C)64 sm
• D)6 sm

4.a = 4 sm va b = 9 sm kesmalarga o‘rta proporsional kesmani toping.

• A)13 sm
• B)6 sm
• C)6,5 sm
• D)36 sm

5.a = 3 sm va b = 27 sm kesmalarga o‘rta proporsional kesmani toping.

• A)15 sm
• B)81 sm
• C)30 sm
• D)9 sm

6.a = 2 sm va b = 8 sm kesmalarga o‘rta proporsional kesmani toping.

• A)5 sm
• B)16 sm
• C)10 sm
• D)4 sm

7.a = 5 sm va b = 20 sm kesmalarga o‘rta proporsional kesmani toping.

• A)10 sm
• B)12,5 sm
• C)100 sm
• D)25 sm

8.a = 6 sm va b = 24 sm kesmalarga o‘rta proporsional kesmani toping.

• A)15 sm
• B)30 sm
• C)12 sm
• D)144 sm

9.Ikkita kesmaga o‘rta proporsional kesmani yasashda odatda qaysi geometrik figuradan foydalaniladi?

• A)Yarim aylana (diametrga tushirilgan perpendikulyar balandlik)
• B)To‘g‘ri to‘rtburchak
• C)Muntazam uchburchak
• D)Kvadrat

10.a va b kesmalariga o‘rta proporsional x kesma qaysi tenglikni qanoatlantiradi?

• A)x² = a·b
• B)x = a·b
• C)x² = a + b
• D)x = a + b