Resource thumbnail
Published: 27/04/2012
2 pages

When do we need ½absinC?

A matching activity to enforce when you need to use sine to find the area of a triangle. Encourages students to show workings and think about different approaches to solve the same problem.    

See other resources: Geometry and measure | Trigonometry – area of a triangle

More resources by this contributor

3 teachers love this resource (3)
2 teachers have reviewed this resource(2)

Log in to love this resource

Log in to share this resource

Camilla Clarkson
Camilla Clarkson
Thank you for your comment - glad you like it! We will let the contributor know.
Posted on 29th April 2019
Students thought it would be really easy but I love how mixed the cahllenge between the normal formula of perpendicular heights and the trigonometric one. Love it!

Thank you!
Posted on 24th April 2019

Comments Review this resource...

We use cookies to deliver functionality and provide you with a better service. By continuing to browse our site you are agreeing to our use of cookies. Find out more.

Don't show this message again.