Formulas
Ratio of areas of circles problems
Ratio of areas of rectangles problems
Ratio of areas of triangles problems
100

The formula used to find the ratio of the areas of two rectangles

What is b1h1/b2h?

100

The ratio of the areas of two circles if their radii are 5 and 10. (in terms of pi)

What is 1/4 ?

100

The ratio of the areas of two similar rectangles if one of them has a height of 6 and the other one has a height of 8.

What is 9/16?

100

The ratio of areas of two triangles if one of them has a height of 2 and a width of 3 and the other has a height of 4 and a width of 5.

What is 3/10?

200

The formula used to find the ratio of the areas of two parallelograms

What is b1h1/b2h?

200

The ratio of the areas of two circles if their diameters are 6 and 10. (in terms of pi)

What is 9/25 ?

200

The ratio of the areas of two similar rectangles if one has a width of 2 and the other has a width of 4.

What is 1/4?

200

The ratio of areas of two triangles if one of them has a height of 4 and a width of 10 and the other one has a height of 6 and a width of 8.

What is 5/6?

300

The formula used to find the ratio of the areas of two triangles

What is 1/2(b1)(h1)/ 1/2(b2)(h2) ?

300

The ratio of the areas of two circles if their radii are 22 and 44 (in terms of pi)

What is 1/4 ?

300

The ratio of the areas of two rectangles if one of them has a height of 4 and a width of 8 and the other rectangle has a height of 6 and a width of 9.

What is 16/27?

300

The ratio of areas of two triangles if one of them has a height of 6 and a width of 10 and the other one has a height of 10 and a width of 12.

What is 1/2?

400

The formula used to find the ratio of the areas of two circles

What is πr/ πr2 ?

400

If one sector has a radius of 6 and a measure of 45 degrees, and another sector has a radius of 9 and a measure of 90 degrees, then what is the ratio of the areas of the two sectors?

What is 2/9 ?

400

The ratio of areas of two rectangles if one of them has a height of 2 and a width of 4 and the other has a height of 3 and a width of 6.

What is 4/9?

400

The ratio of the areas of two similar triangles if one has a width of 6 and the other has a width of 9.

What is 4/9 ?

500

The formula used to find the ratio of the areas of two trapezoids

What is 1/2(b1 + b2)/ 1/2 (b3 + b4) ?

500

If two concentric circles have radii of 6 cm and 8cm, and another two concentric circles have radii of 4 cm and 9 cm, then what is the ratio of the areas of the two annulus'?

What is 28/65 cm2 ?

500

The ratio of the areas of two similar rectangles is 71/81. Find the ratio of the areas of their corresponding sides. 

What is √71/9?

500

Triangle ABC is isosceles with line AC as its hypotenuse and line AB with a measure of 5 inches. Triangle XYZ is an equilateral triangle with an altitude of 5√3. Find the ratio of the area of triangle ABC to triangle XYZ.

What is √6/15?