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Mice21 [21]
3 years ago
15

Help with all of these please explain if u can !

Mathematics
2 answers:
sveticcg [70]3 years ago
4 0

Answer:

1. 78cm^2

2. 200 ft^2

Step-by-step explanation:

1. i always cut these complex shapes into simpler ones (in this case a rectangle and a triangle)

the rectangles area is 6*8 or 48 and the triangles area is (10*6)/2 or 30 you then add the two areas to get the area for the whole shape 48+30=78

2. once again you're going to break this shape up into the individual rooms and then add them together the garage is a 4*6 room (24) the bedroom is a 8*4 room (32) the living room is a 10*10 room (100) the kitchens a  6*6 room (36) and the bathroom is a 4*2 room (8) you then add all these together

24+32+100+36+8=200

Lynna [10]3 years ago
3 0

Area of Q4 is 78 sq cm

Area of Q5 is 200 sq ft.

Step-by-step explanation:

<u>SOLUTION OF 4</u>

The given figure is a trapezium.

Here, b_{1} and  b_{2} are the two parallel sides.

b_{1} =  8 cm

b_{2} = 8+10 = 18 cm

h is the height.

h = 6 cm

Area of the fig = \frac{1}{2}h( b_{1} + b_{2} )

So,

Area = \frac{1}{2}×6×(18+8) sq cm

= 78 sq cm

<u>SOLUTION OF 5</u>

For garage,

Length (l) = 6 ft

Width (w) = 4 ft

For bedroom,

Length (l) = 8 ft

Width (w) = 4 ft

For dining space,

Length (l) = 10 ft

Width (w) = 10 ft

For washroom,

Length (l) = 2 ft

Width (w) = 4 ft

For drawing room,

Length (l) = 6 ft

Width (w) = 6 ft

Formula

The area of the rectangle = l×w

Now,

Area of the garage = 24 sq ft

Area of the bedroom = 32 sq ft

Area of the dining space = 100 sq ft

Area of the washroom = 8 sq ft

Area of the drawing room = 36 sq ft

Hence, area of the house = 24+32+100+8+36 sq ft = 200 sq ft.

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