20,943 is the answer
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We first add both 19.8 by 19.8 and therefore, that would give us 39.6.
42 - 39.6 = 2.4.
2.4 ÷ 2 = 1.2
1.2 would be the length of each sides.
Answer:
10X + 20 +5X +25 = 180
15x=180-45
X= 135/15
X=9
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Answer:
20 degrees
Step-by-step explanation: