One triangle in everyday life is the roof of your house. Also, domes, pizza slices and pyramids are used in every day life. Lastly, a slow vehicle sign and yield sign are also triangle shaped

 
Two objects are congruent if they have the same dimensions and shape. Very loosely, you can think of it as meaning 'equal', but it has a very precise meaning that you should understand completely, especially for complex shapes such as polygons

 
A decimal is any number in our base-ten number system. Specifically, we will be using numbers that have one or more digits to the right of the decimal point in this unit of lessons. The decimal point is used to separate the ones place from the tenths place in decimals. (It is also used to separate dollars from cents in money.)  As we move to the right of the decimal point, each number place is divided by 10.

 
One of the most primary uses of circles in daily life is the clock. This round object influences almost all of our lives. As we pass each hour around the clock, we are following the path of a circle

 
percentage comes in our daily life we see in supermarket with a sale eg:50% discount on anything u buy we can see percentage in back of any food item eg:10% of protiens ect

 
square comes in our daily life
eg:if u want to put tiles on the floor you have to take measurementsand the sides of wall are square

 
rectangle comes in our daily lives eg:the size of note is rectangle,the signboards on the roads are rectangle

 
parallel lines are also comes in our daily lives eg:the railtrack is parallel,the building is in size of parallel

 
sphere comes in our daily life eg:the ball which you play with ,and earth is also in sphere fig