You need to break this into smaller shapes. This shape consists of 4 smaller shapes: 3 triangles and 1 rectangle.
Formulas:
Triangle: A = 1/2 bh
Rectangle: A= bh
Let's start with the triangle on top with the points B, C and D.
Base = 6
Height = 3
A = 1/2 (6)(3)
Multiply base by height
A = 1/2 (18)
Multiply.
A= 9
The triangle on the left:
Base= 4
Height = 4
A= 1/2 (4)(4)
A= 1/2 (16)
A= 8
The triangle on the right:
Base= 2
Height= 4
A= 1/2 (2)(4)
A= 1/2 (8)
A= 4
The rectangle in the middle:
Base= 6
Height=4
A= (6)(4)
A= 24
Now add all the areas together:
9 + 8 + 4 + 24 = 45 cm²
Hope this helps! :)
Answer:
c
Step-by-step explanation:
{ Answer(s) }
Left side of big triangle (X & Y) : 15
Bottom side of big triangle (Y & Z) : 20
{ Explanation }
We know the top sides of both triangles. To find out how many units they are separated by, we need to divide 5 by 25.
25 / 5 = 5
Now we can continue.
3 * 5 = 15
4 * 5 = 20
The missing sides are 15 and 20.
<> Eclipsed <>
Nine year olds --> 36
ten year olds ----> 48
then simpifly this as if you would to a fraction
6/8 so the ratio would be 6:8