Area of a Triangle
Read this topicExplanations 4
- The area of a triangle is one half times its base times its height. A=12bhA=\frac12bhA=21bh
By Alex Federspiel, Liza Sulkin
- The definition of area can be found here. The area of a triangle can be found by using the following formula: A=12b×h\color{blue}{A} = \frac{1}{2}\color{purple}{b}\times\color{o…
By Victoria Rodriguez, Alex Federspiel, Christine, Liza Sulkin
- (Video) Area of a triangle by Math Antics The video above explains the formula of the area of a triangle. It also shows why it applies to all triangles. Summary\large{\text{Summ…
By Christine, Liza Sulkin, Amy Feraco
- Area: An Origin Story So we know that the area of a triangle is the product of its base and height divided by two: A△=12bhA_{\triangle}=\frac{1}{2}bhA△=21bh But where does thi…
By Liza Sulkin, Amy Feraco, Caroline K
Problems 29
- Find a formula for the base bbb of a triangle, in terms of the height hhh and area AAA of the triangle.
- Which of these is defined as a ratio?
- A triangle has a base of 2x+32x+32x+3 and a height of x−5x-5x−5. What's the area of the triangle?
- What is the area of the white shape?
- Find the area of the triangle above.
- Find the area of the triangle above in square centimeters using trigonometric ratios/the Pythagorean theorem to find the missing sides. Round to the nearest whole number.
- The replica that Ben created has a height of 151515 inches and two sides measuring 222222 inches each. What is the surface area of the replica? (Round to the nearest inch).
- Using this information, order the pennants from smallest surface area to largest.
- The larger triangle has side lengths three times the side lengths of the smaller triangle. Find the total area of the two triangles.
- What is the area of a right triangle with legs 121212 and 141414?
- Each cribbage pool rack is able to hold the area of 151515 pool balls at their widest width. If each ball is 2.252.252.25 inches in diameter, what is the height of the cribbage …
- If the dough starts as 3 inch3 \text{ inch}3 inch squares, what would be the dimensions of the samosas if they are made from rolled, 18 inch×24 inch18 \text{ inch} \times 24 \te…
- If a batch of these desserts are made with dough circles 333" in diameter, what is the largest hamantash cookie that can be made? Assume every cookie is a perfect equilateral pa…
- What is the area of this triangle?
- What is the area of this triangle?
- The area of the orange triangle is 444 times the area of the blue triangle. Assuming the corresponding interior angles of the triangles are equal, what is the length of the base…
- What is the area of this triangle? Round to the nearest square meter.
- Leonard, a chef, is catering an office party. To make sandwich halves, he is using slices of bread measuring 412in x 512in4\frac{1}{2}\text{in x }5\frac{1}{2}\text{in}421in x 5…
- Find the height of this triangle.
- Which of the shaded regions have the same amount of area?
- If y=50y=50y=50, what is the measure of the other two side lengths?
- A triangle has a base of BBB inches and a height of HHH inches. What is the area AAA of the triangle in square inches?
- A triangle has a base of BBB feet and a height of HHH inches. What is the area AAA of the triangle in square inches?
- Which of the following could be the base and height of a triangle with area 12\frac{1}{2}21?
- Which of the following could be the base and height of a triangle with area 222?
- Which of the following could be the base and height of a triangle with area xxx?
- If the area of a triangle is xxx, what is the area of a rectangle with the same base and height?
- If the area of a rectangle is xxx, what is the area of a triangle with the same base and height?
- You are shifting the graph of the function y=∣x∣y = |x|y=∣x∣ downward by a random amount: either by 111 unit, 222 units, or 333 units. Regardless of which one you choose, a tria…