Area of a parallelogram or triangle
Use the base-times-height relationship to find the area of a parallelogram or triangle, or work backward to find a missing dimension. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
A parallelogram has a base of 12 m and a height of 10 m. What is its area?
Answer: 120
See one solved, step by step
A triangle has an area of 105 cm^2 and a base of 14 cm. What is its height?
📘 Worked solution
1Area = (base · height) / 2, so height = (Area · 2) / base = (105 · 2) / 14Undo dividing by 2 first (double the area), then undo multiplying by the base (divide by the base).
2= 210 / 14 = 15 cmDivide.
Ready to master it?
Jump into unlimited practice — your Winny Score tracks you to 100. And if it won't click, a real tutor will make it click: first lesson free.
Start practicing