Write down the co-ordinates of the vertices (i.e - Junior Cycle Mathematics - Question 7 - 2018
Question 7
Write down the co-ordinates of the vertices (i.e. corners) of shape B.
Answer: ( , ), ( , ) , and ( , ) .
Find the area of shape C and the area of shape D.
Area of... show full transcript
Worked Solution & Example Answer:Write down the co-ordinates of the vertices (i.e - Junior Cycle Mathematics - Question 7 - 2018
Step 1
Write down the co-ordinates of the vertices (i.e. corners) of shape B.
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Answer
The coordinates of the corners of shape B are (2, 2), (5, 2), and (5, 4).
Step 2
Find the area of shape C and the area of shape D.
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Answer
The area of shape C can be calculated using the formula for the area of a triangle.
For Shape C:
Area = ( \frac{1}{2} \times b \times h = \frac{1}{2} \times 2 \times 2 = 2 , \text{units}^2 )
For Shape D:
Area = ( b \times h = 3 \times 2 = 6 , \text{units}^2 )
Step 3
Find the length of the perimeter of shape E.
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Answer
The perimeter of shape E is the sum of the lengths of all its sides.
Let’s assume the lengths of the sides as follows: 2 + 2 + 3 + 3 + 2 = ( 12 , \text{units} ).
Step 4
Complete each of the following statements correctly.
(i) Shape C has exactly ___ axes of symmetry.
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Answer
Shape C has exactly 4 axes of symmetry.
Step 5
Complete each of the following statements correctly.
(ii) Shape G is the image of shape ___ under axial symmetry.
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Answer
Shape G is the image of Shape F under axial symmetry.
Step 6
Complete each of the following statements correctly.
(iii) Shape A is the image of shape ___ under a translation.
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Answer
Shape A is the image of shape D under a translation.
Step 7
Find the slope of the hypotenuse of shape B.
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Answer
To find the slope of the hypotenuse, we can use the formula: ( \text{slope} = \frac{\text{rise}}{\text{run}} ).
Assuming the specific rise and run values: rise = 4 - 2 = 2 and run = 5 - 2 = 3, we find
( \text{slope} = \frac{2}{3} ).
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