– Realize as seguintes operações com ângulos:
a) 17°20’ + 32°14’
b) 35°32’15’’ + 25°10’55’’
c) 7°10’45’’ + 15°55’25’’
d) 140° - 72°21’
e) 78°28’ – 45°45’
f) 109°59’60’’ – 102°21’17’’
g) 8 . (2°10’07’’)
h) 6 . (17°21’32’’)
i) (26°36’40’’) : 5
j) 11° : 8
Respostas
Resposta:
Explicação passo-a-passo:
a) 17°20’ + 32°14’
= 17°+32°
= 49°
20'+14'
= 34'
= 49° 34'
R.: 49°34'
___________
b) 35°32’15’’ + 25°10’55’’
15" + 55"
= 70"
= 60" + 10"
= 1' 10"
32'+10'
= 42'
= 35+25
= 60°
= 60° 42' 1' 10"
= 60° 43' 10"
R.: 60° 43' 10"
_______________
c) 7°10’45’’ + 15°55’25’’
= 7°+15°
= 22°
10' + 55' = 65'
60' + 5'
= 1° 5'
= 45" + 25"
= 70"
= 60" 10"
= 1' 10"
= 22° + 1° 5' + 1' 10"
= 23° 6' 10"
R.: 23° 6' 10"
______________
d) 140° - 72°21’
= 139°1° - 72° 21'
= 139°60' - 72°21'
= 67° 39'
R.: 67° 39'
_______________
e) 78°28’ – 45°45’
78° 28' - 45° 45'
77° 60' 28' - 45° 45'
77° 88' - 45° 45'
= 77° - 45° = 32°
88-45= 43'
R.: 32° 43'
_____________
f) 109°59’60’’ – 102°21’17’’
109-102 = 7°
59-21= 38'
60-17 = 43"
R.: 7° 38' 43"
______________
g) 8 . (2°10’07’’)
8.2°
= 16°
8.10'
= 80'
60'+20'
= 1°20'
8.7" = 56"
= 16° 1° 20' 56"
= 17° 20' 56"
R.: 17° 20' 56"
_____________
h) 6 . (17°21’32’’)
6 x 17°
= 102°
21' x 6
= 126'
= 120' + 6'
= 2° 6'
= 32" . 6
= 192"
= 180" + 12"
= 3.60" + 12"
= 3' 12"
= 102° + 2° 6' + 3' 12"
= 104° 9' 12"
R.: 104° 9' 12"
_____________
i) (26°36’40’’) : 5
25° + 1°
= 25° : 5
= 5°
1°
1°+36'
= 60'+36' = 96'
95': 5
= 19'
1' + 40"
= 60"+40"
= 100" : 5
= 20"
R.: 5° 19' 20"
___________
j) 11° : 8
8° / 8
= 1°
3°
= 3.60'
= 180'
160' : 8 = 20'
20' = 20.60"
1200" : 8
150"
= 120" + 30"
= 2' 30"
1° 20' 2' 30"
= 1° 22' 30"
Prova real:
1° x 8 = 8°
22' x 8 = 176' = 120' + 56' = 2° 56'
30" x 8 = 240" = 4.60" = 4'
Somando as partes:
= 8° 2° 56' 4'
= 10° 60'
= 10° 1°
= 11°
R.: 1° 22' 30"