C\u00e2u 13:<\/b>\u00a0C\u00f3 \u00edt nh\u1ea5t bao nhi\u00eau c\u1ea1nh xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed7i \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n?<\/p>\n
A. 5 c\u1ea1nh\u00a0\u00a0\u00a0B. 4 c\u1ea1nh\u00a0\u00a0\u00a0C. 3 c\u1ea1nh\u00a0\u00a0\u00a0D. 2 c\u1ea1nh<\/p>\n
C\u00e2u 14:<\/b>\u00a0H\u00e3y ch\u1ecdn c\u1ee5m t\u1eeb (ho\u1eb7c t\u1eeb) cho d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 sau khi \u0111i\u1ec1n n\u00f3 v\u00e0o ch\u1ed7 tr\u1ed1ng m\u1ec7nh \u0111\u1ec1 sau tr\u1edf th\u00e0nh m\u1ec7nh \u0111\u1ec1 \u0111\u00fang<\/p>\n
\u201cS\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n\u2026.\u201d<\/p>\n
A. Ch\u1eb5n\u00a0\u00a0\u00a0B. L\u1ebb<\/p>\n
C. Nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng s\u1ed1 \u0111\u1ec9nh\u00a0\u00a0\u00a0D. L\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 6<\/p>\n
C\u00e2u 15:<\/b>\u00a0Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o sai?<\/p>\n
A. S\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 6<\/p>\n
B. S\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 7<\/p>\n
C. S\u1ed1 m\u1eb7t c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 4<\/p>\n
D. S\u1ed1 \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 4<\/p>\n
C\u00e2u 16:<\/b>\u00a0Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang?<\/p>\n
A. S\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n ch\u1eb5n<\/p>\n
B. S\u1ed1 \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n ch\u1eb5n<\/p>\n
C. S\u1ed1 m\u1eb7t c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n lu\u00f4n ch\u1eb5n<\/p>\n
D. S\u1ed1 \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh l\u0103ng tr\u1ee5 lu\u00f4n ch\u1eb5n<\/p>\n
C\u00e2u 17:<\/b>\u00a0Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang?<\/p>\n
A. M\u1ed9t h\u00ecnh \u0111a di\u1ec7n c\u00f3 c\u00e1c m\u1eb7t l\u00e0 nh\u1eefng tam gi\u00e1c th\u00ec s\u1ed1 m\u1eb7t c\u1ee7a n\u00f3 l\u00e0 s\u1ed1 ch\u1eb5n<\/p>\n
B. M\u1ed9t h\u00ecnh \u0111a di\u1ec7n c\u00f3 c\u00e1c m\u1eb7t l\u00e0 nh\u1eefng tam gi\u00e1c th\u00ec s\u1ed1 m\u1eb7t c\u1ee7a n\u00f3 l\u00e0 s\u1ed1 l\u1ebb<\/p>\n
C. T\u1ed3n t\u1ea1i m\u1ed9t h\u00ecnh \u0111a di\u1ec7n c\u00f3 c\u00e1c m\u1eb7t l\u00e0 nh\u1eefng tam gi\u00e1c sao cho s\u1ed1 m\u1eb7t c\u1ee7a n\u00f3 l\u00e0 s\u1ed1 l\u1ebb<\/p>\n
D. T\u1ed3n t\u1ea1i m\u1ed9t h\u00ecnh \u0111a di\u1ec7n c\u00f3 c\u00e1c m\u1eb7t l\u00e0 nh\u1eefng tam gi\u00e1c sao cho s\u1ed1 m\u1eb7t c\u1ee7a n\u00f3 b\u1eb1ng s\u1ed1 c\u1ea1nh<\/p>\n
C\u00e2u 18:<\/b>\u00a0Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang?<\/p>\n
A. S\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh l\u0103ng tr\u1ee5 lu\u00f4n ch\u1eb5n<\/p>\n
B. S\u1ed1 \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh chop lu\u00f4n ch\u1eb5n<\/p>\n
C. S\u1ed1 m\u1eb7t c\u1ee7a m\u1ed9t h\u00ecnh l\u0103ng tr\u1ee5 lu\u00f4n ch\u1eb5n<\/p>\n
D. S\u1ed1 c\u1ea1nh c\u1ee7a m\u1ed9t h\u00ecnh chop lu\u00f4n ch\u1eb5n<\/p>\n
C\u00e2u 19:<\/b>\u00a0Hai h\u00ecnh \u0111a di\u1ec7n b\u1eb1ng nhau khi v\u00e0 ch\u1ec9 khi:<\/p>\n
A. C\u00f3 ph\u00e9p t\u1ecbnh ti\u1ebfn bi\u1ebfn h\u00ecnh n\u00e0y th\u00e0nh h\u00ecnh kia<\/p>\n
B. C\u00f3 ph\u00e9p d\u1eddi h\u00ecnh bi\u1ebfn h\u00ecnh n\u00e0y th\u00e0nh h\u00ecnh kia<\/p>\n
C. C\u00f3 c\u00e1c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau<\/p>\n
D. C\u00f3 c\u00e1c m\u1eb7t t\u01b0\u01a1ng \u1ee9ng l\u00e0 c\u00e1c \u0111a gi\u00e1c b\u1eb1ng nhau<\/p>\n
H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 13:\u00a0C\u00f3 \u00edt nh\u1ea5t bao nhi\u00eau c\u1ea1nh xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed7i \u0111\u1ec9nh c\u1ee7a m\u1ed9t h\u00ecnh \u0111a di\u1ec7n? A. 5 c\u1ea1nh\u00a0\u00a0\u00a0B. 4 c\u1ea1nh\u00a0\u00a0\u00a0C. 3 c\u1ea1nh\u00a0\u00a0\u00a0D. 2 c\u1ea1nh C\u00e2u 14:\u00a0H\u00e3y ch\u1ecdn c\u1ee5m t\u1eeb (ho\u1eb7c t\u1eeb) cho d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 sau khi \u0111i\u1ec1n n\u00f3 v\u00e0o ch\u1ed7 tr\u1ed1ng m\u1ec7nh \u0111\u1ec1 sau tr\u1edf th\u00e0nh m\u1ec7nh \u0111\u1ec1 \u0111\u00fang \u201cS\u1ed1 c\u1ea1nh c\u1ee7a […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[157],"tags":[1450,1448],"yoast_head":"\n\n\n
\n 13-C<\/td>\n 14-D<\/td>\n 15-B<\/td>\n 16-D<\/td>\n 17-A<\/td>\n 18-D<\/td>\n 19-B<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"