Thursday

August 21, 2014

August 21, 2014

Posted by **marie** on Thursday, June 2, 2011 at 4:45pm.

- math -
**MathMate**, Thursday, June 2, 2011 at 6:35pmLet

H=height in cm.

Base = 2H+6 cm

Area = (1/2)*H*base = 28

H(2H+6)=2*28=56

2H²+6H-56 = 0

H²+3H-28=0

Factorize

(H-4)(H+7)=0

H=4

or H=-7 (negative rejected)

**Related Questions**

Algebra Word Problem - COULD SOMEONE PLEASE HELP ME WITH THIS !!!!!!!!!! The ...

math - The base of a triangle is 5cm greater than the height. The area is 18cm^2...

geometry - If the height of a triangle is one inch more than twice its base, and...

math - The base of a rectangle is 2cm greater than its height. Find the base and...

Intermediate Algebra - The base of the triangle is 5 cm greater than the height...

Math - The base of a triangle is 6cm greater than the height. The area is 20cm^2...

math - The base of a triangle is 5cm greater than the height. The area is 52cm^2...

math - The base of a triangle is 3 cm greater than the height. The area is 14cm^...

Quadratic Equations - The height of a triangle is 1 in. more than twice the base...

math - 1.The base of a triangle is 5cm greater than the height. The area is 33cm...