Area of a quadrilateral
Base and Height of a Triangle
Area of a Triangle
vocabulary
100

Find the area of a rectangle that has sides 3.5cm and 4.6cm. 

16.1 cm2

100

If BA is the base, what is the height? 


FC

100

Find the area of the triangle.


7.5cm2

100

锐角

acute angle

200

A square has a side of 14.3cm. What is the area of the square? 

204.49cm2

200

What is the height of the triangle?


15

200

Find the area of the triangle.


2

200

等边三角形

equivalent triangle

300

A parallelogram has base 12 yd and its height 5.7 yd. What is the area of this parallelogram? 

68.4 yd2

300

The height of a triangle is 6cm and the area is 15cm2, what is the base? 

5cm

300

What is the area of this triangle? 


48ft2

300

钝角三角形

obtuse triangle

400

The area of a rectangle is 34cm2. The length is 5cm, what is the width? 

6.5cm

400

The area of a triangle is 12.3cm2 and the height is 4cm, what is the base? 

6.15cm

400

What is the area of the triangle?

if base is 17.9 cm and the height is 3 cm

26.85cm2

400

等腰梯形

isosceles triangle

500

Charles has a rectangular flower garden that is 13 yd long and 14 yd wide. One bag of fertilizer can cover 7yd2 . How many bags will he need to buy to cover the entire garden?

26 bags

500

If the height of a triangle is 5 ft and the area of the triangle is 52 ft2, find the base.

20.8 ft

500

Find the area of the shaded part. 


25.5