4. a. Explain how to decompose the large rectangle in Figure 12.5 into 4 groups with 5 squares in each group, so as to describe the area of the rectangles as ст I cm Explain why the area Figure 12.5 is (4-5)cm2 b. Calculate 4 S without a calculator, showing your calculations. Then verify that this calcu- lation has the same answer as when you deter- mine the area of the rectangle in Figure 12.5 by counting squares

Q: Daniel is using this block of clay in the shape of a cube with edges 10 inches for an art project.…

A: The cube when cut as shown in the figure will expose a rectangular region having a pair of opposite…

Q: 2) Mr. Prince accidentally burned a perfectly circular black spot into his wall when he lost control…

A: Find your answer below

Q: 5- An article will be written on a 24 cm² part of a paper. Since 1.5 cm from the top and bottom and…

A: The solution is given below.

Q: 1. Describe the effect on the area if the height of a trapezoid with base lengths 12 cm and 8 cm and…

A: The base lengths of a trapezoid are a = 12cm and b = 8 cm Initial height of the trapezoid, hi = 6 cm…

Q: A box with an open top will be constructed by cutting the corners out of a 6" × 6" piece of paper…

A:

Q: 6. In circle 0, MLAED = 110, mAD = 5x +5 and mBC = 4x- 10. What is the value of x? %3D %3D A

A: We have to find x

Q: Our galaxy is estimated to be 5.6x109 mi across. How long (in hours) would it take a spaceship to…

A: Time can be calculated by speed formula

Q: 1a. A painter needs to paint two walls that are each 9 feet high by 9 feet wide, and another two…

A: (a)   To determine the total area of the four walls, we'll calculate the area of each wall and sum…

Q: K OM = (9 + x) in ; OL = (3x + 13) in %3D %3D

A:

Q: Find the area of the kite by rearranging it into a rectangle. 29mm Area = Enter your next step here…

A: We have to find the area of the kite by rearranging it into a rectangle;  here  d1=8 mmand d2=29 mm

Q: 3. A wire with length Lis cut into two parts. Each part is bent to form a square. If the areas of…

A:

Q: All changes saved 5. Tim is mailing the box below. The width and height of the box measure 12 in. If…

A: We can find the length as below

Q: 1. ABCDEF is a regular hexagon. The side of the square being cut out of the center is 2/3 the side…

A: The Area of a regular hexagon given lengths of apothem (a) and side (s) is given by The area of a…

Q: 3. If the surface area of the prism below is 476 square meters, what is the value of he reter A…

A: Let length of prism l=9 mLet width of prism b=5.5 mLet height of prism =h m

Q: 3.A can of tuna fish has a diameter 14.2 cm and height 3.8 cm. Cans are packed snugly for shipping…

A:

Q: A rectangular piece of paper with length 30 cm and width 12 cm has two semicircles cut out of it, as…

A:

Q: 4. A 1.8m tall person casts a 4 m long shadow. How long a shadow will a 2.4 m tall person cast…

A: Given 1.8m  person = 4 m shadow Since ratio of height of person and shadow will be constant

Q: 21 15 3 15

A: Suppose the given quadrilateral be ABCD,

Q: 19. A rectangular slab of marble measures 90 cm by 50 cm. A circular opening with a radius of 15 cm…

A: To find the area of region in pink

Q: . Find the value of z based on the given area for each figure below. (a) A = 153 square feet (b) A =…

A:

Q: 7. Find a. The area is 1720f 80 ft 137,600 ft 43 ft 10.75 ft 21.5 ft

A:

Q: 2. Find the area of the kite by rearranging it into a rectangle. 6cm 22cm Area = Enter your next…

A:

Q: Greg enjoys maintaining the lawn in his free time and wants to get mulch for his house. He has…

A: Total volume of mulch required = Total area of mulching ×Height of mulching. Total cost of mulching…

Q: 4 mi 3 m

A: the answer is x=5 mi   the explanation is given in the below step.