Angles

Determine the interior angles of a rhombus with area 319.1 cm2 and perimeter 72 cm.

Correct result:

α =  80 °
β =  100 °
γ =  80 °
δ =  100 °

Solution:

$\beta =18{0}^{\circ }-\alpha =10{0}^{\circ }$
$\gamma =\alpha =8{0}^{\circ }$
$\delta =\beta =10{0}^{\circ }$

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