1. Tanya determined that the dimensions of a painted barn quilt needed to be 1 1/3 ft by 2 1/4 ft. What will be the area of the
1 answer:
The area of the barn quilt is 3 sq.ft.
The amount of sugar needed to make 1/2 of a batch of cookies is 1/5 of a cup.
Number of boys are practicing hitting the ball = 4
Number of bags of lemons used by Rachel on Tuesday = 1
1. A painted barn blanket needed to be 1 1/3 feet by 2 1/4 feet in size.
Area of the barn quilt = 1 1/3*2 1/4
= 4/3*9/4
= 3 sq. ft.
2. The recipe for Mrs. Smith's oatmeal cookies asks for 2/5 cups of sugar.
Sugar needed for making 1/2 of a batch of cookies = 1/2*2/5
= 1/5 of a cup
3. Six boys are practicing baseball throwing, catching, and hitting in the park. Two thirds of those six youngsters are practicing hitting.
Number of boys practicing hitting the ball = 6*2/3 = 4
4. At the park's lemonade kiosk, Rachel works. She used 1 and 2/5 bags of lemons on Monday. She used 1 and 1/4 times as many lemons on Tuesday as she did on Monday.
Number of bags of lemon used on Tuesday = 7/5*5/4
= 7/4
= 1 and 3/4 bags
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The reflection of BC over I is shown below.
<h3>What is reflection?</h3>- A reflection is a mapping from a Euclidean space to itself that is an isometry with a hyperplane as a set of fixed points; this set is known as the reflection's axis (in dimension 2) or plane (in dimension 3).
- A figure's mirror image in the axis or plane of reflection is its image by reflection.
See the attached figure for a better explanation:
1. By the unique line postulate, you can draw only one line segment: BC
- Since only one line can be drawn between two distinct points.
2. Using the definition of reflection, reflect BC over l.
- To find the line segment which reflects BC over l, we will use the definition of reflection.
3. By the definition of reflection, C is the image of itself and A is the image of B.
- Definition of reflection says the figure about a line is transformed to form the mirror image.
- Now, the CD is the perpendicular bisector of AB so A and B are equidistant from D forming a mirror image of each other.
4. Since reflections preserve length, AC = BC
- In Reflection the figure is transformed to form a mirror image.
- Hence the length will be preserved in case of reflection.
Therefore, the reflection of BC over I is shown.
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The question you are looking for is here:
C is a point on the perpendicular bisector, l, of AB. Prove: AC = BC Use the drop-down menus to complete the proof. By the unique line postulate, you can draw only one segment, Using the definition of, reflect BC over l. By the definition of reflection, C is the image of itself and is the image of B. Since reflections preserve , AC = BC.
