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4 years ago

Whats the formula for compound shapes ?

Mathematics

2 answers:

irina1246 [14]4 years ago

7 0

Answer: Area

Step-by-step explanation: Step 1: Work out the missing lengths around the edge of the compound shape. Step 2: Divide your L shape into two rectangles. ... Do this by multiplying the base of the rectangle by the height of the rectangle. Step 4: Add the areas of the rectangles together to give the total area of the L shape.

postnew [5]4 years ago

6 0

Answer:

So the total area of the compound shape is 48 cm². Summary: Find the missing lengths around your L shape and divide the shape into 2 rectangles. Find the area of both rectangle and add them up to give the total area of the compound shape.

Step-by-step explanation:

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skelet666 [1.2K]

Find slope
slope betwen 2 points (x1,y1) and (x2,y2) is (y2-y1)/(x2-x1)

so
first make denoms same
denom is 10
(4/5,1/5) turns to (8/10,2/10)
(1/2,3/2) turns to (5/10,15/10)
slope=(15/10-2/10)/(5/10-8/10)=(13/10)/(-3/10)=13/-3=-13/3

use point slope
use (4/5,1/5)
y-y1=m(x-x1)
a point is (x1,y1) and slope is m
y-1/5=-13/3(x-4/5)
expand
wait, we don't need to do that, the only one with slope -13/3 is D
answer is D

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