the sum of the interior angles of a quadrilateral is 360°
[360 - (40 * 2)] : 2 =
280 : 2 =
140°
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140 + 140 + 40 +40 = 360°
Answer:
The area of a circle is pi times the radius squared (A = π r²).
Step-by-step explanation:
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Answer:
a 2 and b -20
Step-by-step explanation:
Answer:
149/60
Step-by-step explanation:
11/4-27/8*1/4*1/2
11/4-27/64
149/64
