You put the whole number on top of 1, it doesnt change its value. then you simplify across like in a butterfly only if needed then you multiply across from left to right.
<span>ΔABC is not a right triangle.</span>
Answer: 250 m
Step-by-step explanation:
Given
Distance between Ursula and Velda house is 4 km or 4000 m
Ursula walks at the rate of 
Velda walks at the rate of 
Time taken by them to cover 4000 m is

Distance covered by them 15 min before they meet
Ursula 
Velda 
The total length covered by them is 
They are
apart before they meet
Angle I. Because it’s second in the order just like X. They are congruent