Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
Find the area of a triangle with sides 5 cm, 6 cm, and 7 cm.
Use Heron's formula and first calculate the semi-perimeter.
Calculate the area of a triangle with sides 8 cm, 15 cm, and 17 cm.
Determine the semi-perimeter before applying the main formula.
What does Heron's formula calculate?
Recall the application of the formula.
True or False: Heron's formula requires knowledge of the triangle's height to find its area.
Think about how Heron's formula works.
A triangle has its sides in the ratio of 5:12:13 and a perimeter of 300 cm. Find the area using Heron's formula.
Use the ratio to find the actual side lengths.
Calculate the area of a triangle with vertices at coordinates (0,0), (4,0), and (0,3) using Heron's formula.
First determine the lengths between coordinates.
4 more questions in this section. Enroll free to practise them all.
Enroll free