問題一覧
1
sin² + cos² is equal to
1
2
• Congruent triangles are
two triangles which have equal angles and are the same size but may be oriented differently
3
Reflex angle:
• it’s an angle measuring between 180 and 360 degrees
4
• In equilateral triangle
all sides are the same length
5
• A right angle triangle Side’s length 12 cm,16 cm, 20, cm what is the Sine of the angle between 16 cm and 20 cm sides
0.6
6
• A triangle contains an angle of 90 :
right-angle triangle
7
• 1/5 + 1/6 + 3/10
2/3
8
find 1/2+1/8×1/2÷1/4
3/4
9
it’s an angle measuring 90 degrees
• Right angle:
10
a triangle has all angles are equal
equilateral
11
• a right angle triangle has sides of 3 inches and 4 inches , what will the third be:
1
12
• 2.22*10^ 5
222000
13
• Input gear One complete revolution of 120 teeth output rotate gear without put 20 revolution, the output rotates
6rev
14
A triangle has got no sides of equal length and no angles the same is :
Scalene
15
• Area of rhombus can be calculated by
½ d1 x d2
16
• A straight line having the equation Y = -2x + 10. At what point cut x-axis?
5
17
The general equation for a straight line is given by
: y = mx + c
18
• A right angle triangle Side’s length 12 cm,16 cm, 20, cm what is the tangent of the angle between 16 cm and 20 cm sides
0.75
19
• A parallelogram
• has opposite sides parallel and equal in length
20
• 0.8 as fraction
8/10
21
• The Supplement of 65⁰ is
115
22
• If we have 30% out of 600 cars are unserviceable how many cars can be used 30/100 x 600 =180 cares unserviceable 600 – 180
420 cares can be used
23
• 2 6/7 to improper fraction
20/7
24
• find the gradient of a graph has two point (3,9)(9,1)
-3/4
25
• 9/8 + 3/16 = 1
5/16
26
• Cube root of 2³
2
27
• 10 cm diameter cylinder with 10 cm height total surface area =
150 pi cm²
28
• a right angle triangle has sides of 3 inches and 4 inches , what will the third be:
5
29
• A cute angle has less than
90
30
• 9/30 as a decimal
0.3
31
• 9/4+ 5/12+ 5 1/8 = 7
19/24
32
Supplementary angles:
the sum of their degree measurements equals 180 degree
33
• Straight line Cartesian coordinates (1.4,1.4) the polar coordinates to the same points is approximately
45⁰and 2
34
• sin 45° = cos 45° =
0.7071
35
• The equation y = x² +3x -10 the graph defines
a parabola
36
• In a hydraulic system to indicate the pressure to the time the best suitable graph is
the continuous line graph
37
the sum of their degree measurements
• Complementary angles
38
• maximum value of sin and cosine is
1
39
, Convert the following polar coordinates into rectangular coordinates 5cm, 45?
? 3.535, 3.535
40
• 20,28,17,34,40,11,34,26,find median =(11,17,20,26,28,34,34,40)
27
41
• Obtuse angle• Obtuse angle
it’s an angle measuring between 90 and 180 degrees
42
• Convert 20 pounds to grams
9070
43
• find the gradient of a graph has two point (9,3)(3,1
1/3
44
in 360⁰
• 2 pi radians
45
• An angle bisects any given angle into two angles of equal size, each exactly half the angle of the original
An angle bisector
46
find the gradient of 3y=9x +6 :
3
47
30 as percentage of 50
60%
48
• In a scalene triangle
no 2 sides are the same length
49
In a right angle triangle the length of two sides are 5cm and 12cm find the hypotenuse?
13
50
• 50 square feet into square meter
4.645
51
In a right angle triangle two angles are 30⁰ and 60⁰, the length of hypotenuse can be found by:
opposite side divided by sin 30⁰
52
• for the straight line having the equation 4y=4x+8 the y intercept is
2
53
• A perpendicular lines are
two lines that meet at a right angle
54
• Construction in geometry means
to draw shapes, angles, line accurately
55
Similar triangles are
two triangles which have the same angles but are of different size
56
maximum value of tan is
infinity
57
• Pounds to kilogram
multiply by 0.4536
58
• 0.0000222=2
22*10^-5
59
• ¾ x 82
61.5
60
• Convert 20 grams to pounds = 20/450
0.0444
61
• What is the gradient of the line having an equation 5x -3y=2?
5/3
62
What is the gradient of the line having an equation? X+3y=2?
-1/3
63
has one pairs of parallel sides
Trapezium
64
Any point at a graph can be defined in 2 points
By polar coordinates ( an angle and direct distance from origin and Cartesian coordinates horizontal and vertical distance from origin
65
Complementary angle of 35⁰ is
55
66
• The internal angle of a hexagon is⁰
120
67
• Three angle triangle sum
180
68
• Pythagoras formula
c² = a² + b²