# math geometry

posted by .

if a figure has five equilateral triangles and one pentagon, and the pentagon is 90 cm, what is the perimeter of the whole figure

• math geometry -

a rectangle has an area of 104 cm square? if the lenght is 3 cm less than twice the width what is the length of the rectangle

## Similar Questions

1. ### Math

A pentagon is formed by putting together three identical equilateral triangles and one larger equilateral triangle with length of edge equal to 2 times that of the smaller equilateral triangle. If the perimeter of the smaller triangle …
2. ### Geometry

A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ …
3. ### math

joe thinks the perimeter of the figure is 15 units he is right is it reasonable that the completed figure is a pentagon?
4. ### math

consider a square and a regular pentagon. one side of the square is 6 feet longer than a side of the pentagon, and the figures have the same perimeter. what are the lengths of the sides of each figure?
5. ### geometry

A pentagon is a geometric figure with 5 sides. The lengths of the sides of a given pentagon are (6x + 2) cm, (3x + 2) cm, (2x) cm,(3x + 4) cm, and (8x – 4) cm. Which equation below describes the perimeter, P, of the pentagon in terms …
6. ### Multivariable Calculus

A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of the sides of the pentagon that maximize the area of the pentagon.
7. ### math

At the Pentagon there are921 feet along each outer side facade and 17.5 miles of corridorS inside it. All sides of the Pentagon are equal. What is the perimeter of the Pentagon
8. ### Geometry

A regular pentagon has side length 12cm.the perimeter of the pentagon is 60cm and the area is 247.7cm2 .a second. Pentagon has side lengths equal to 24cm .find the perimeter of the second pentagon
9. ### Geometry

Regular pentagons A and B are similar. The apothem of Pentagon A equals the radius of Pentagon B. Compare the areas. The area of Pentagon A is equal to 1.49 times the area of Pentagon B. The area of Pentagon B is equal to 1.49 times …
10. ### Algebra

For each diagram find the relationship between the number of shapes and the perimeter of the figure they form. Represent this relationship using a table, words, an equation, and a graph. Below there are 3 sets of Pentagon's there is …

More Similar Questions