Respostas
respondido por:
1
1) A = L² 3) D = 10 m d = 8 m
A = 14² A = D . d / 2
A = 196 cm² A = 10 . 8/2
================= A = 80/2
2) C = 7 cm L = 9 cm A = 40 m²
A = C . L ===================
A = 7 . 9 4) B = 40 m b = 30 h = 12
A = 63 cm²
================== ( B + b ) . h
5) b = 4 cm h = 18 cm A = ----------------
A = b .h/2 2
A = 4 . 18/2
A = 72/2
A = 36 cm² ( 40 + 30 ) . 12
A = ---------------------
2 simplificando por 2
A = 70 . 6
A = 420 m²
============================================================
6a) b = 5,2 h = 2,1 6b) b = 2 h = 6
A = b . h A = b , h
A = 5,2 . 2,1 A = 2 . 6
A = 10,92 A = 12
======================================================
6c) D = 4 d = 2,5 6d) não entendi. me desculpe
A = D . d/2
A = 4 . 2,5/2
A = 10/2
A = 5 6e) b = 4 m h = 4m
A = b . h/2
A = 4 . 4/2
A = 16/2
A = 8 m²
A = 14² A = D . d / 2
A = 196 cm² A = 10 . 8/2
================= A = 80/2
2) C = 7 cm L = 9 cm A = 40 m²
A = C . L ===================
A = 7 . 9 4) B = 40 m b = 30 h = 12
A = 63 cm²
================== ( B + b ) . h
5) b = 4 cm h = 18 cm A = ----------------
A = b .h/2 2
A = 4 . 18/2
A = 72/2
A = 36 cm² ( 40 + 30 ) . 12
A = ---------------------
2 simplificando por 2
A = 70 . 6
A = 420 m²
============================================================
6a) b = 5,2 h = 2,1 6b) b = 2 h = 6
A = b . h A = b , h
A = 5,2 . 2,1 A = 2 . 6
A = 10,92 A = 12
======================================================
6c) D = 4 d = 2,5 6d) não entendi. me desculpe
A = D . d/2
A = 4 . 2,5/2
A = 10/2
A = 5 6e) b = 4 m h = 4m
A = b . h/2
A = 4 . 4/2
A = 16/2
A = 8 m²
guizxcvb2:
valeuuu
respondido por:
0
1)
Aq = L^2
Aq = 14^2
Aq = 196 cm^2
2)
C = 7 * 19
C = 133 cm^2
3)
A = 10 * 8/2
A = 80/2
A = 40 m^2
4)
A = 12 * (40 + 30)/2
A = 840/2
A = 420 m^2
5)
A = 4 * 18/2
A = 72/2
A = 36 cm^2
Aq = L^2
Aq = 14^2
Aq = 196 cm^2
2)
C = 7 * 19
C = 133 cm^2
3)
A = 10 * 8/2
A = 80/2
A = 40 m^2
4)
A = 12 * (40 + 30)/2
A = 840/2
A = 420 m^2
5)
A = 4 * 18/2
A = 72/2
A = 36 cm^2
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