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  • 21-02-2022
  • Mathematics
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Here is a rhombus.
Diagram not drawn to scale
80°
A straight line joining the midpoints of two of its sides is drawn.

Here is a rhombus Diagram not drawn to scale 80 A straight line joining the midpoints of two of its sides is drawn class=

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zsm2800 zsm2800
  • 21-02-2022

Answer:

130 degrees

Step-by-step explanation:

The right top triangle is isosceles, so the supplementary angle of angle α is (180 - 80)/2 = 50 degrees.

Therefore, α = 180 - 50 = 130 degrees.

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