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1. What is the area of a triangle whose sides measure 13 inches, 15 inches, and 24 inches?

Enter your answer, in simplified radical form, and don't forget inch^2.

 

 

2.Two gears are connected by a chain. The larger gear has a linear velocity of  27π/10 inches per second. The angular velocity of the smaller gear is  15π/2 radians per minute.

What is the radius of the smaller gear?

a.0.36 foot

b.1.8 feet

c.4.32 feet      

d.21.6 feet             <---i think it this one

 

3.

The logo for a new company is a circle divided into 24 equally sized sectors. Six of the sectors are white, and the others are different colors.

The area of one of the white sectors is  13π/50 inches squared.

What is the radius of the circle? Enter your answer rounded to the nearest hundredth.

 Apr 2, 2020
edited by KASI20W  Apr 2, 2020
 #1
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1. You can use heron's formula to get 

86.23224454924 inches squared. You can learn all about the heron's formula here

https://www.mathsisfun.com/geometry/herons-formula.html

 Apr 2, 2020
 #2
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For question 1 is says "Express your answer in simplest radical form."

HELPMEEEEEEEEEEEEE  Apr 9, 2020

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