Answer:
Step-by-step explanation:
-2/5 - 4/5 + -9/10
= -2/5 - 4/5 - 9/10
= {-2(2) -4(2) - 9)/10
= (-4 - 8 - 9)/10
= -21/10
= -2 1/10
<h3>Answer:</h3>
right triangle
<h3>
Step-by-step explanation:</h3>
The sides of a right triangle in a simple way, so that if the lengths of any two sides are known the length of the third side can be found.
hope it helps.
