Triangle A (0,0), B(0,4), C(6,0) becomes triangle A'(0,0), B'(0,10), C'(15,0). What is the scale factor for this dilation?
What is 2.5
100
What is the x-coordinate of point M(2,-3)
What is -2
200
if a || d and m <1 =67 degree , determine the meausure of all unknown angles
what is 67 degrees
200
length is 10 feet and height is 9.5
what is A=95 feet square
200
if two polygons are similar, then the corresponding must be_________.
What is proportional
200
Dilation of scale factor 3 with the center at the origin, what will be the coordinates of the image of point B?
A=(1,1)
B=(2,3)
C=(4,1)
What is (6,9)
200
the plane that contains the X axis and Y axis
what is a coordinate plane
300
90 degrees ( a right angle )
What is the difference between perpendicular and parallel
300
Ahmed and his dog walk round a pond that is 40m in diameter. What is the area of the pond?.
What is 1200 square metres
300
DE is parallel to AC, If BD = 4, DA = 6 and EC = 8. Find BC to the nearest tenth
What is 13.3
300
If a reflection in the line y = -x occurs, then the rule for this reflection is:
What is (x,y) ---> (-y,-x)
300
How do the x-coordinates of A and A' compare? How do the y-coordinates of A and A' compare?
What is x-coordinates are opposites and y-coordinates stay the same
400
Find the slop of the two
line a: y = –5x + 3
line b: y + 5x = –2
what is Slope = –5
400
Ahmed walks his dog round a circular pond six times. The pond is 40m in diameter. How far do they walk altogether? (assume pi=3)
What is 720m
400
having corresponding sides proportional and corresponding angles equal
What is similarity
400
What is the image of point (4,-2) after a dilation of 3?
What is (12,-6)
400
Find the midpoint ; The midpoint of the points A(1,4) and B(5,6) is
What is (3,5)
500
Test the two lines to see if they are perpendicular.
y = 5x – 3
y= -1/5x + 2
what is perpendicular.
500
Veronica is making circular name tags. She wants to know how many tags she can cut out from one sheet of card 20cm by 30cm. Each circle is 50mm in diameter.
What is 24 tags
500
9 36
__ = __
X 4
What is x=1
500
The sides of a triangle are 5, 6 and 10. Find the length of the longest side of a similar triangle whose shortest side is 15.
What is 30
500
Tthe two points, R(–2, 3) and S(0, –1) on the line. What would be the slope of the line?