Angles in a triangle
What is the missing angle in this triangle? 30 degrees, 60 degrees, ? degrees
90 degrees
I am a triangle with a 90 degree angle and a 36 degree angle
Right angle (rätvinklig)
45 degrees
Acute (spetsig)
How do you work out the area of a rectangle?
base x height
triangle with sides, 7cm, 4cm, 9cm
20cm
what is the measurement of the smallest angle of a right triangle with a 60 degree angle?
30 degrees
I am a triangle with 2 sides the same length and two angles that are 36 degrees
Isosceles (likbent)
180 degrees
straight (rak)
How do you work out the area of a triangle?
base x height / 2
square with 5cm sides
20cm
Can you form this triangle? Why or why not? 70 degrees, 65 degrees, 60 degrees
No, the sum is 195 instead of 180
I am a triangle with 60 degrees angles
Equilateral (liksidig)
How many degrees can an obtuse (trubbig) angle be?
anything between 90 and 180 degrees
What is the area of this rectangle? length = 7m, width = 9m
63m squared
rectangle with sides 5cm and 3cm
16cm
Can you form this triangle? Why or why not? 40 degrees, 50 degrees, 90 degrees
Yes because it equals 180
describe an isosceles (likbent) triangle
two sides the same length, 2 angles the same
279 degrees
Reflex
Area of this triangle - base = 5cm, height = 12cm
30 cm squared
an equilateral (liksidig) triangle with sides 6,7cm
20,1cm
What is the missing angle? 81 degrees, 43 degrees, ? degrees
56 degrees
describe an equilateral (liksidig) triangle
all sides the same, all angles 60 degrees
how many degrees in total in a rectangle?
360 degrees
Is the area of the triangle the same, bigger, or smaller? Triangle - b=12cm, h=24cm. Rectangle - b=12cm, h=24cm
smaller, half the size
rectangle with the perimeter of 64cm. How long can the length and width be?
tex 17cm and 15cm