# How do you use the formula #A=1/2bh# to write a simplified expression for the area of a right triangle with leg lengths of #4xy^-1# and #7x^2#?

##### 2 Answers

May 14, 2018

The desired expression is

#### Explanation:

We are given that area of a right triangle is

In the given case legs are

hence are of right triangle is

=

=

May 14, 2018

#### Explanation:

If the base

and the height

Then