Đáp án:
Giải thích các bước giải:
Chu vi hình vuông (chu vi hình chữ nhật ) là:
`(12 + 6) × 2 = 36 (cm)`
Cạnh hình vuông là:
`36 : 4 = 9 (cm)`
Diện tích hình vuông là:
`9 × 9 = 81 (cm²)`
Đáp số: `81cm²`
Đáp án + Giải thích các bước giải:
Chu vi hình vuông (chu vi hình chữ nhật) là :
`(12 + 6) × 2 = 36` (cm)
Cạnh của hình vuông đó là :
`36 : 4 = 9` (cm)
Diện tích hình vuông là :
`9 × 9 = 81` (cm²)
Đáp số : Chu vi : `36` cm
Diện tích : `81` cm²
Giúp mình với chiều nay nộp zồi. Cảm ơn trước nha
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giúp mk nhé mn HỨA sẽ cho CTLHN và 1 vote
Mn giúp mình bài 1 với ạ. Thanks
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