# Star

Calculate the content of the shaded part of square with side 28 cm.

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this verbal math problem are needed these knowledge from mathematics:

## Next similar examples:

- Annulus

Two concentric circles form an annulus of width 10 cm. The radius of the smaller circle is 20 cm. Calculate the content area of annulus. - Annulus

The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus. - Cable

Cable consists of 8 strands, each strand consists of 12 wires with diameter d = 0.5 mm. Calculate the cross-section of the cable. - 22/7 circle

Calculate approximately area of a circle with radius 20 cm. When calculating π use 22/7. - Annulus

Calculate the area of two circles annulus k_{1}(S, 3 cm) and k_{2}(S, 5 cm). - Circle - easy 2

The circle has a radius 6 cm. Calculate: - Circle - simple

Calculate the area of a circle in dm^{2}, if its circumference is 31.4 cm. - 6-gon

Perimeter of regular hexagon is 113. Calculate its circumradius (radius of circumscribed circle). - Tripled square

If you tripled the length of the sides of the square ABCD you increases its content by 200 cm^{2}. How long is the side of the square ABCD? - 3x square

Side length of the square is 54 cm. How many times increases the content area of square if the length of side increase three times? - CD disc

A compact disc has a diameter of 11.8 cm. What is the surface area of the disc in square centimeters? - Perimeter of square

The square has a circumference 17cm. What is its area? - Square and circle

Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle? - Sidewalk

The city park is a circular bed of flowers with a diameter of 8 meters, around it the whole length is 1 meter wide sidewalk . What is the sidewalk area? - Well

Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times? - Two circles

Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles? - Complementary angles

Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?