01-03-2017
Mathematics

contestada

please help me!!!!!!!!!

please help me class=

Respuesta :

haruyoshida91 haruyoshida91

01-03-2017

use the formula for finding the area of a semi circle pi * r^2
the radius is half the diameter, the diameter is given because a rectangle has 2 pairs of equal sides

1) pi * 2.5^2=pi* 6.25

2) pi * 7^2= pi* 49

Answer Link

student555 student555

01-03-2017

area rectangle=70cmsq
area small hemisphere=235.5cmsq
area big hemisphere=1846.32cmsq
adding all
2151.82 cmsq

Answer Link

Otras preguntas

64 A C D E B 32 117 Angle puzzle

Write a letter to the Manager, Taj International, and Lucknow to find out the rates for conducting the wedding Reception of your sister, enquiring specifically

What is an example of Boolean value

how may interphsd are in the cell

How many pairs of vertical angles are there9

Nick is making a fruit salad. He buys apples for $1.29 per pound and oranges for $1.35 per pound. He spends no more than $12. Let x represent the number of poun

A cylinder has a radius of 7 cm and a height of 12 cm. Calculate its surface area. Give your answer to the nearest hundredth of a square centimetre. Show your w

The perimeter of a piece of land is 9,700 square meters. What is the value of the exponent when this number is written in scientfic notation.

Hay fed to llamas should be at least 18% protein.A. True B. False

________ are the only birds that can hover without the help of a headwind.a. hummingbirds b. falcons c. eagles d. swallows