Parallelogram Calculator

Bottom side a:
Bottom b:
Height(h):
Angle (θ):
area:
perimeter:
Short diagonal:
Long diagonal:
1. Area = bh = absinθ

2. Circumference = 2a + 2b

3. Short diagonal = sqrt(a2 + b2 - 2abcos(θ));

4. Long diagonal = sqrt(a2 + b2 - 2abcos(π - θ));