Answer:
<h2>
A = 132 cm²</h2>
Step-by-step explanation:
Area of the figure is a sum of area of rectangle 4 cm × 7 cm and trapezoid with bases of 19 cm i 7 cm and altitude of 8 cm.
Therefore:
![A=7\cdot4+\dfrac{7+19}2\cdot8=28+26\cdot4=132](https://tex.z-dn.net/?f=A%3D7%5Ccdot4%2B%5Cdfrac%7B7%2B19%7D2%5Ccdot8%3D28%2B26%5Ccdot4%3D132)
Answer:
Step-by-step explanation:
Length of each ribbon = 5/8 yards
Length of 16 pieces of ribbon = 16* (5/8)
![=16*\frac{5}{8}\\\\=2 * 5 \\\\=10](https://tex.z-dn.net/?f=%3D16%2A%5Cfrac%7B5%7D%7B8%7D%5C%5C%5C%5C%3D2%20%2A%205%20%5C%5C%5C%5C%3D10)
= 10 yards
Answer:
im in 8th grade and can't do that math
Step-by-step explanation:
i dont understannnddd
Answer:
9 pi
Step-by-step explanation:
First find the circumference of the circle
C =2 * pi *r
C = 2 * pi *9
C = 18 pi
This is a semicircle which is 1/2 of a circle
Take 1/2 of the circumference
1/2 C = 1/2 ( 18 pi)
1/2 C = 9 pi