28 Le triangle DEF est une réduction dans le
rapport k du triangle ABC.
E
С
F.
1,2 cm
100°
2,1 cm
B
A
2,8 cm
D
1. a. Calculer le rapport k de réduction.
b. Calculer la longueur du segment [EF].
c. Donner la mesure de l'angle DEF.
2. Le triangle ABC est un agrandissement de rapport
k'du triangle DEF. Donner la valeur exacte de k'.
answer: plz give a pic and answer choices so i can answer!
step-by-step explanation:
Answer from: Quest
step-by-step explanation:
i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2
Answer from: Quest
english maybe i can ..
Answer from: Quest
Let smaller number be 2x , then the nest even number will be 2x + 2so 2x + 4(2x + 2) = 582x + 8x + 8 = 5810x = 50x = 5 so the first number is 2*5 = 10 and second one is 12
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