Square root - 9th grade (14y) - practice problems
Number of problems found: 172
To circle with a radius of 41 cm from the point R guided two tangents. The distance of both points of contact is 16 cm. Calculate the distance from point R and circle centre.
- Sphere A2V
The surface of the sphere is 241 mm². What is its volume?
Once upon a time, tsar owned a money printer and printed and printed. The result of printing money prices went up,in the first year 3.9 %, in the second 6%, in the third 4.7% and in the fourth 5.5%. Then tsar was failed in election. Calculate the average
- Triangle ABC
Right triangle ABC with right angle at the C, |BC|=18, |AB|=33. Calculate the height of the triangle hAB to the side AB.
- Circle chord
What is the length x of the chord circle of diameter 115 m if the distance from the center circle is 11 m?
- Square diagonal
Calculate the length of the square diagonal if the perimeter is 172 cm.
Calculate the perimeter and area of a rhombus whose diagonals are 39 cm and 51 cm long.
- Cube diagonal
Determine the length of the cube diagonal with edge 37 mm.
- Quadratic equation
Solve quadratic equation: 2x2+28x-550=0
Auto sprinkled with sand to an approximately conical shape. Workers wanted to determine the volume (amount of sand) and therefore measure the base's circumference and the length of both sides of the cone (over the top). What is the sand cone's volume if t
- Triangle SSS
Calculate perimeter and area of a triangle ABC, if a=53, b=46 and c=40.
A passenger car and an ambulance come to the rectangular crossroad, the ambulance left. Passenger car at speed 39 km/h and ambulance at 41 km/h. Calculate such a relative speed of the ambulance move to the car.
Square root - practice problems. Examples for 9th grade.