In triangle ABC, <B = 140, <C = 10
so <A = 180 - 140 - 10 = 30
In triangle DEF , <D = 30 and <F = 10
so <E = 180 - 30 - 10 = 140
Now you have
<A = <D = 30
<B = <E = 140
<C = <F = 10
Conclusion: triangle ABC is similar to triangle DEF
Answer is the last one.
I think 18 red cubes.
Explanation: A cube has 6 sides, so you would use the pattern 6 times. There are 3 red cubes in each pattern, you use the pattern 6 times, meaning 3 × 6, so the cube train has 18 red cubes. I hope this helps!
Answer:
Step-by-step explanation:
