Một hình chữ nhật có chiều rộng 9,5m, diện tích là 152m2. Chu vi của hình chữ nhật trên là
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1 tháng 5 2015
Diện tích mỗi hình chữ nhật là:
15,2 x 9,5 = 144,4 (m2)
Chiều dài hình chữ nhật thứ hai là:
144,4 : 10 = 14,44 (m)
Chu vi hình chữ nhật thứ hai là:
(14,44 + 10) x 2 = 48,88 (m)
Đáp số: 48,88 m
13 tháng 8 2016
ừ mình cũng thế
nhưng mình làm gộp
CHIỀU DÀI HÌNH CHỮ NHẬT THỨ 2 LÀ:
(15,2 x 9,5) :10=14,44(m)
CHU VI HCN THỨ 2:
(14,44+10)x2=48,88(m)
NẾU BẠN NÀO MUỐN BÀI TOÁN NHANH GỌN THÌ LÀM THEO MÌNH
NHƯNG NHỚ PHẢI TÍNH ĐÚNG NHÉ!!!!!!!!
12 tháng 2 2019
Chiều dài mảnh đất hình chữ nhật:
161,5 : 9,5 = 17 (m)
Chu vi mảnh đất hình chữ nhật:
(17 + 9,5) × 2 = 53 (m)
Đáp số: 53m
8 tháng 1 2016
chiều dài của mảnh đất hình chữ nhật là:
161,5 : 9,5=17(m)
chu vi của mảnh đất hình chữ nhật là:
(17+9,5) x 2=53(m)
đáp số:53 m
ấn vào đúng 0 nha
8 tháng 1 2016
chiều dài hình chữ nhật là : 161.5 : 9.5 =17 [m]
chu vi hình chữ nhật là : [9.5+17]*2=53[m]
d/s : 53 m tick nhé
PT
24 tháng 11 2016
Chiều rộng mảnh đất hình chữ nhật là :
32,5 - 9,5 = 23 ( m )
Chu vi mảnh đất mảnh đất hình chữ nhật là :
( 32,5 + 23 ) x 2 = 111 ( m )
Diện tích mảnh đất hình chữ nhật là :
32,5 x 23 = 747,5 ( m2 )
Đáp số :.....
22 tháng 4 2021
Nửa chu vi mảnh đất là:
130 : 2 = 65 (m)
Chiều rộng mảnh đất là:
130 : 7 = 18,57 (m)
chiều dài mảnh đất là:
65 - 18,57 = 46,43
Diện tích của mảnh vườn là:
46,43 x 18,56 = 862,21 (m2)
Không biết có đúng không nhưng chúc bạn học tốt nhá
22 tháng 4 2021
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AH
Akai Haruma
Giáo viên
27 tháng 11 2023
Lời giải:
Chiều dài HCN là: $230:11,5=20$ (m)
Chu vi HCN: $2(20+11,5)=63$ (m)
NH
Nguyễn Huy Trung
VIP
5 tháng 12 2023
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18 tháng 6 2020
Diện tích của hai hình là: 15,2 x 9,5 = 144,4 (m^2)
Chiều dài của hình thứ 2 là: 144,4 : 10 = 14,44 (m^2)
Chu vi của hình thứ 2 là: ( 14,44 + 10 ) x 2 = 48,88 (m)
Đáp số:...
LT
30 tháng 4 2022
Diện tích hình chữ nhật thứ nhất là:
15,2 x 9,5=144,4( m2 )
Diện tích hình chữ nhật thứ 2 bằng hình thứ nhất và bằng 144,4 m2
Chiều dài hình thứ 2 là:
144,4 : 10=14,44 (m)
Chu vi hình thứ 2 là;
(14,44+10)x2 =48,88 (m)
M
19 tháng 4 2015
diện tích hình chữ nhật thứ nhất là:
15,2 * 9,5 = 144,4 ( m2)
chiều dài hình chữ nhật thứ hai là:
144,4 : 10 =14,44 ( m)
chu vi hình chữ nhật thứ hai là:
( 14,44 + 10) *2 = 48,88 (m)
đáp số : 48,88 m
KD
29 tháng 7 2016
Diện tích hình chữ nhật thứ nhất là:
15,2 * 9,5 = 144,4 ( m2)
Chiều dài hình chữ nhật thứ hai là:
144,4 : 10 =14,44 ( m)
Chu vi hình chữ nhật thứ hai là:
( 14,44 + 10) *2 = 48,88 (m)
CHIỀU DÀI HÌNH CHỮ NHẬT LÀ :
152 : 9,5 = 16 ( M )
CHU VI HÌNH CHỮ NHẬT LÀ :
( 16 + 9,5 ) x 2 = 51 ( M )
Đ/S : 51 M
chiều dài hình chữ nhật là
152:9,5=16(m)
chu vi hình chữ nhat là
(16+9,5)x2=51(m)
D/S:51m