Area of a Triangle
Area of Parallelogram
Area of Circles
Circumference of Circles
Mystery
100

What is the formula for solving area of a triangle

A=(bh)/2

100

What is the formula for area of a parallelogram

A= bh

100

What is the formula for area of a circle?

A= πr2

100

What is the formula for circumferences of a circle?

C= πd    C=2πr

100

What is the number for Pi?

3.14

200

Wha is the area of a triangle with base of 6cm and height of 9cm?

Area= 27 cm2

200

What is the area of a parallelogram with a base of 12cm and height of 11cm.

Area= 132 cm2

200

What is the area of a circle with a radius of 8cm?

Area= 201.06 cm2

200

What is the circumference of a circle with diameter of 8in.

C= 25.13in

200

What do the central angles in a circle add up to?

360°

300

What is the area of triangle with base of 6.5in and 10in? 

Area= 32.5 in2

300

What is the area of a parallelogram with base of 8.8in and height of 11in. 

Area= 96.8 in

300

What is the area of a circle with diameter of 10ft?

Area= 314.16ft2

300

What is the circumference of a circle with radius of 9m.

C= 56.55m

300

What is the relationship between radius and diameter?

The radius is half the diameter


400

If the area of a triangle is 44 cm2 and height is 11 cm. What is the base?

Base= 8 cm

400

If the area of a parallelogram is 195cmand height is 13cm what is the base?

Area= 15cm

400

If the area of a circle is 144 in2. What is the radius?

Radius= 6.77in

400

If the circumference is 76cm what is the diameter?

d= 24.19 cm
400

What value is similar on all circles and how is it solved?

Pi

Circumfernce/ diameter

500

If the area is 55 ftand the base is 11 ft. What is the height?

Height= 10 ft

500
If a parallelogram has a area of 225in2 and the base is 15in what is the height?
Height=15in
500

What is the radius of a circle with area of 88cm2.

Radius= 5.29 cm
500

If the circumference is 99mm, what is the radius?

r= 15.76 mm
500

How old is your teacher

32