Angle - practice for 12 year olds - page 4 of 11
Number of problems found: 201
- It is rectangular?
The size of two of the angles in a triangle is α=110°, β=40°. Is it a right triangle?
- Triangle radians
The size of two internal angles of a triangle ABC is α=6/18π and β=7/18π. Calculate the size of the third angle.
- 3-bracket 3
Two angles in a triangle are 90° and 60°. Has the triangle at least two equal sides?
- Complementary angles 2
Two complementary angles are (x+4) and (2x - 7). Find the value of x.
- Type of triangle
How do I find the triangle type if the angle ratio is 2:3:7?
- Triangle angles
The angles α, β, γ in triangle ABC are in the ratio 6:2:6. Calculate the size of angles.
- Determine 69364
Determine the angle ϕ: ϕ + 71 ° 15 '= 90 °
- Angles in triangle
Calculate the angle alpha in the triangle if the beta is 61 degrees and 98 gamma degrees.
- 3-bracket
Maybe the largest angle in the triangle is less than 20°?
- Third interior angle
Find the third interior angle of the triangle ABC where: α = 48°, γ = 65°.
- Triangle
Can an equilateral triangle have a right angle?
- On a
On a someday, the Sun, Venus, and the Earth are in eclipse, i. E. Venus is between the Sun and the Earth. Venus orbits the Sun in 225 days. In how many years will all three bodies be in alignment again?
- Total displacement
Calculate the total displacement of the 12-cylinder engine with the diameter of the piston bore B = 8.9 cm and stroke S=1.9 cm of the piston. Help: the crankshaft makes one revolution while the piston moves from the top of the cylinder to the bottom and b
- Hands
The clock shows 12 hours. After how many minutes will the angle be between the hour and minute hand 90°? Consider the continuous movement of both hands for hours.
- Clocks
How long will a path of the end of the clock's minute-hand long 7 cm for 330 minutes? How long will we walk at the same time hour-hand?
- Describes 82518
The minute hand describes an angle of 180 degrees in half an hour. In how many minutes does the minute hand cover an angle of 192 degrees?
- Merry-go-round 82611
Calculate the magnitude of the angular velocity of the seat of a merry-go-round moving in uniform motion in a circle with an orbital period of 0.2 minutes.
- Minute-hand
How long will a large (minute) hand travel on the clock for 48 minutes if its length is 56 cm?
- Coal mine
The towing wheel has a diameter of 1.7 meters. How many meters does the elevator cage lower when the wheel turns 32 times?
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