<span>ratio of surface area = 49:100
ratio of corresponding lengths = √49:√100 = 7:10
answer: C
Hope this helps
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Answer:
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Answer:
3
Step-by-step explanation:
3x-2= -x+10
4x= 12
x=3
Answer:
Step-by-step explanation:
Sum of angles in a Δ= 180°
x + 2x +3x = 180
6x= 180
Divide both sides by 6
x=30
sooo x= 1×30= 30, 2x= 2×30= 60, 3x=3×30= 90
since 30+60+90= 180
∴the angles are 30°,60° and 90° respectively
