Tripled square

If you tripled the length of the sides of the square ABCD you increases its content by 200 cm2. How long is the side of the square ABCD?

Result

a =  5 cm

Solution:

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

Be the first to comment!

Next similar examples:

1. 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?
2. Square prism
A square prism has a base with a length of 23 centimeters, what is the area in square centimeters of the base of the prism?
3. Star
Calculate the content of the shaded part of square with side 19 cm.
4. Areaf of ST
It is given square DBLK with side |BL|=13. Calculate area of triangle DKU if vertex U lie on line LB.
5. Flowerbed 2
Around the square flower bed in a park is sidewalk 2 m wide. The area of ​​this sidewalk is 243 m2. What is the area of the flowerbed?
6. 7 triangle
The triangle area is 26.7 cm2. Determine the side length l if appropriate height hl = 45.3 cm.
7. 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?
8. A rectangle
A rectangle has an area of 36 cm2. What could the length and width of rectangle be?
9. Annulus
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm).
10. Complementary angles
Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?
11. Expressions
Expression (3a-7).(3a+7) is identical with: ?
12. Hotel
The hotel has a p floors each floor has i rooms from which the third are single and the others are double. Represents the number of beds in hotel.
13. Simplify
Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
14. Alley
Alley measured a meters. At the beginning and end are planted poplar. How many we must plant poplars to get the distance between the poplars 15 meters?
15. Cakes
Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total?
16. Three digits number 2
Find the number of all three-digit positive integers that can be put together from digits 1,2,3,4 and which are subject to the same time has the following conditions: on one positions is one of the numbers 1,3,4, on the place of hundreds 4 or 2.
17. Sales off
Calculate what was the original price of the good, if the price after discount 25% and the subsequent rise of 20% is 400 USD.