In first figure there is reflection but it is not present in the second figure due to absence of bouncing back of ray of light.
In the first figure which is given the image shows the inverted image of the triangle A that is the reflection of Figure A . Reflection as per the definition is the bouncing back of light wave when it is touched to a thing or obstacle. It form a image in opposite direction.
So according to it Figure A in first pair is the reflection of figure B.
Whereas in figure B there is no reflection as the mirror image is shown and not the opposite or inverted image is there.
Mirror image is the image same as the object shown or kept. so its not the reflection of Figure A. In Pair 2 Figure A is not a reflection of Figure B.
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Answer:
The congruent angles are given below
Step-by-step explanation:
<u>Points to remember</u>
For parallel lines, Corresponding angles are equal
Vertically opposite angles are equal
<u>To find the congruent angles</u>
1). Angles congruent to <1 = <4, <8 and <5
2) Angles congruent to <2 = <3, <7 and <6
3) Angles congruent to <7 = <6, <2 and <3
4) Angles congruent to <6 = <7, <3 and <2
So we multiply both sides by 7 to make 2/7 a whole number. You get 2(4q+7/2)-21q=63. Then take 4q+7/2 out of parentheses and you get 8q+7-21q=63. Subtract 7 on both sides and add the q’s together, -13q=56. Divide both sides by -13 and you get around 4.3
Answer: 7 7/8 cups of flour
Step-by-step explanation:
Since John is making 3 1/2 batches of cookies and each batch takes 2 1/4 cups of flour.
The amount of flours that John will need for the cookies will be gotten by multiply the batches of cookies made by the number of flours of cups used per batch and this will be:
= 3 1/2 × 2 1/4
= 7/2 × 9/4
= 63/8
= 7 7/8 cups of flour
