Category: education

One side of the rectangle is 8 cm larger than the other. Find the sides of the rectangle if its perimeter is 28 cm.

Let one side of the rectangle be equal to x cm, then the second side is equal to (x + 8) cm. The perimeter of the rectangle is

If the area of a right-angled triangle is 12 cm2, and the hypotenuse = 6 cm, then the height drawn to the hypotenuse is?

The area of a triangle is defined as half the product of the length of a side by the length of the height drawn to that side, i.e.

The length of the rectangle is 5 times its width. the perimeter of the rectangle is 24 cm.

The length of the rectangle is 5 times its width. the perimeter of the rectangle is 24 cm. Determine the lengths of the sides of this rectangle. Let’s

A tangent AP, P-point of tangency is drawn to a circle with center O. Find the radius of the circle if OA = 15, AP = 12.

The radius OP drawn to the tangent point is perpendicular to the tangent AP. In a right-angled triangle AOP, the radius of the OP is the leg. From

What types of mechanical energy do molecules of matter possess due to their motion?

The molecules of any substance are in continuous motion and interact with neighboring molecules. Molecules have kinetic energy Ek, which is determined by the formula Ek = m

The first 9 km the bus traveled at a speed of 36 km / h, and the next 27 km at a speed of 54 km / h.

The first 9 km the bus traveled at a speed of 36 km / h, and the next 27 km at a speed of 54 km / h.

Why have botanists for a long time believed that mushrooms are plants?

Mushrooms are a special kingdom of living nature. They combine the characteristics of animals and plants. For a long time, botanists have attributed mushrooms to plants, because they

How much wood do you need to burn to heat a brick oven weighing 540 kg from 20 Celsius to 28 Celsius?

How much wood do you need to burn to heat a brick oven weighing 540 kg from 20 Celsius to 28 Celsius? neglect energy losses. Initial data: m1