MNHS Introductory Meeting Activity

Formulas

100

Provide the formula for the circumference of a circle.

Circumference=2π×radius

200

Give the formula for the quadratic formula

x = (-b +/- Sqrt of (b²-4ac))/2a

300

Volume of a Sphere 

V = 4/3πr³

400

The Pythagorean Theorem

a²+b² = c²

500

What is the formula for the sum of the angles in a polygon with n sides

Sum of angles=(n−2)×180∘

Geometry and Trigonometry

100

If two angles in a triangle are 45 degrees and 75 degrees, find the measure of the third angle.

 60 degrees

200

Calculate the area of a right-angled triangle with legs of lengths 9 units and 12 units.

54

300

 Find the exact value of cot⁡(30∘)

Sqrt of 3

400

sin²(θ)+cos²(θ) = ?

1

500

Find the measure of an interior angle in a regular hexagon

120 Degrees

Mental Math

100

Calculate 18×7

126

200

 What is the product of 15 and 24

360

300

Add 237 and 419

656

400

Subtract 586 from 900

314

500

Divide 945 by 15

63

Probability and Statistics

100

What is the probability of rolling an even number on a six-sided die?

1/2

200

Calculate the mean of the numbers 5, 8, 12, 15, and 20

12

300

 If a deck of cards has 52 cards, what is the probability of drawing an Ace?

1/13

400

A bag contains 5 red balls, 3 blue balls, and 2 green balls. If you randomly draw one ball, what is the probability that it is not red?

5/10 or 1/2

500

If you roll two six-sided dice, what is the probability that the sum of the numbers is 7?

1/6 or 6/36