Which figures are polygons?
2 answers:
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Answer:
a) m∠6 = 55 and m∠8= 55 - 20 --> m∠8= 35 x = 55
b) m∠7 = 40 and m∠9 = 140 x = 40
c) m∠8 = 46 and m∠7 = 46 x = 18
d) m∠6 = 63 and m∠7 = 27 x = 9
(just like the note says at the top each one is a different problem hence the different answer or each angle even if its the same one)
Step-by-step explanation:
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Answer:
15 cm
Step-by-step explanation:
A= base x height
Answer:
Step-by-step explanation:
Given:
- 3 green marbles
- 4 blue marbles
- 2 red marbles
- 1 yellow marble
Total number of marbles = 3 + 4 + 2 + 1 = 10
Probability of selecting a green marble on first pick:
Probability of selecting a green marble on second pick:
(as the 1st pick was replaced)
Therefore,