Trapezium bases

Find the trapezium height if a = 8 cm and c = 4 cm if its area is 21 square centimeters.

Correct answer:

h =  3.5 cm

Step-by-step explanation:

a=8 c=4 S=21 S=(a+c)h/2 h=2 S/(a+c)=2 21/(8+4)=3.5 cm



Did you find an error or inaccuracy? Feel free to write us. Thank you!







You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: