Answer:
All but the first answer choice could be the length and width of a rectangle.
Step-by-step explanation:
3 cm and 8 cm produce 24 cm^2 when multiplied together. Reject.
1 cm and 20 cm, when multiplied together, result in 20 cm^2. Select.
2 cm and 10 cm => 20 cm^2 Select
4 cm and 5 cm => 20 cm^2. Select
4) The line segments formed are parallel because they never meet.
8) The answer is B. That is because there is a right angle and right angles are formed by perpendicular lines.
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Answer:
a = 70°
b = 80°
Step-by-step explanation:
Angles on a straight line add up to 180°
⇒ a + 110 = 180
⇒ a = 180 - 110
⇒ a = 70°
The sum of the interior angles of a quadrilateral is 360°
⇒ a + b + 130 + 80 = 360
⇒ 70 + b + 130 + 80 = 360
⇒ b + 280 = 360
⇒ b = 360 - 280
⇒ b = 80°