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What is the area of Triangle PQR on the grid?
 

 Mar 20, 2019
 #1
avatar+234 
+3

Don't let the fact that the triangle is upside down throw you off. Say X is where you drop a perpendicular from Q to PR. If we set PR as the base, and XQ as the height, after that it's straightforward. \(B \cdot H \cdot 1/2 = 4 \cdot 3 \cdot 1/2 = 6\) .

 

Hope this helps!

 Mar 20, 2019
 #2
avatar+219 
-2

To find the area of a triangle you must use the formula: B*H* \(\frac{1}{2}\)

 

So we must fid the base and height:

B: 4

H: 3 

Multiply them together

4 * 3 = 12

Then multiply it by \(\frac{1}{2}\)

\(12 * \frac{1}{2} = 6\)

 

The Area of Triangle PQR is 6

 

Hope this helps ;P

 Mar 20, 2019
 #3
avatar+105879 
+1

don't forget the units squared, you have to add that!

 

The area is    6 units squared       laugh

 Mar 20, 2019
 #4
avatar+1015 
-5

Amazing all of you Wow Melody you are up cool..... You are like a ghost you just apper XD 

cheeky

Nickolas  Mar 20, 2019
 #5
avatar+1015 
-5

Emerald Wonder I like you explanation and the way you layed it out I truly understand... laugh

Nickolas  Mar 20, 2019
 #6
avatar+105879 
+2

I like LagTho's  addition too about the tringle being upside down  :)

Melody  Mar 20, 2019
 #7
avatar+1015 
-5

His way is fast to so yeah it is good to... 

Nickolas  Mar 20, 2019
 #8
avatar+219 
-3

Thank you Nickolas! ;P

EmeraldWonder  Mar 20, 2019

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