Answer:
243 cm^2 + 108 cm^2 = 351 cm^2
Step-by-step explanation:
So, we have a rectangle and two triangles, we know all the sides or angles.
Rectangle: with 9 cm lenght 15cm + 12 cm = 27 cm
Formula: A=wl -> A=9*27 = 243 cm^2
Trianlge: A=ab/2
Angle 90°
Side A 12 cm
Side B 18 cm - 9 cm = 9 cm
A=ab/2=12·9/2=54 cm times 2 (for the opposite side) = 108 cm^2 = 351 cm^2
Answer: B and D
Explanation:
Answer:
12/20 and 5/20
Step-by-step explanation:
for 3/5is multiplied with 4 both numerator and denominator
as known as 1/4 will multiplied by 5/5
Answer:
example lang po
Flagpole height is 50 ft.
Explanation:
This is a ratio problem
height of object
length of shadow
Let the height of the flagpole be
x
⇒
6
3
=
x
25
x
=
6
×
25
3
=
50
f
t
