A carpenter is making a brace for a chair. To do so she intersects two pieces of wood to make two sets of vertical angles. The obtuse angles formed are each 145°. What is the measurement of each acute angle formed? A. 90° B. 35° C. 25° D. 180°
A carpenter is making a brace for a chair. To do so she intersects two pieces of wood to make two sets of vertical angles. The obtuse angles formed are each 145°. [ 35° is the measurement of each acute angle formed. Each acute angle is [360 - 2(145)]/2 = 35° ]
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What's the perimeter of a regular heptagon if one side measures 3 inches? A. 10 in. B. 11 in. C. 21 in. D. 18 in.
Updated 2/22/2019 11:58:58 PM
The perimeter of a regular heptagon if one side measures 3 inches is 21 inches.
Solution:
Perimeter = 7*a =7*3 =21 inch.
Two angles are supplementary. The first angle measures 40°. What's the measurement of the second angle? A. 120° B. 60° C. 140° D. 50°
Weegy: Two angles are supplementary. The first angle measures 40 . The measurement of the second angle is 140 180 - 40 = 140 degrees User: The length of a rectangle is 12 in. and the perimeter is 56 in. Find the width of the rectangle. A. 21 in. B. 16 in. C. 22 in. D. 32 in (More)
Updated 12/18/2022 2:47:18 PM
The length of a rectangle is 12 in. and the perimeter is 56 in. The width of the rectangle is 16 in.

SOLUTION:
Length of two of the sides = 12 x 2 = 24 in.
Total width of the other two sides = 56 - 24 = 32 in.
Width of one side = 32/2 = 16 in.
The length of a rectangle is 12 in. and the perimeter is 56 in. Length of two of the sides = 12 x 2 = 24 in. Total width of the other two sides = 56 - 24 = 32 in. Width of one side = 32/2 = 16 in.
This answer has been flagged as incorrect.
Deleted by Mauren [12/18/2022 2:48:04 PM]
Josie bought a new mirror. The mirror has 5 sides. What is the shape of the mirror? A. Heptagon B. Square C. Pentagon D. Hexagon
Weegy: Josie bought a new mirror. The mirror has 5 sides. The shape of the mirror is pentagon. User: Angle D has what measurement according to the protractor? A. 0° B. 180° C. 80° D. 90° (More)
Updated 7/31/2021 3:23:26 AM
According to the protractor, the measure of angle D is 90 degrees.
The area of a gymnasium floor is 264 square yards. The floor is 11 yards wide. How long is the floor? A. 253 yards B. 24 yards C. 242 yards D. 11 yards
Weegy: The area of a gymnasium floor is 264 square yards. The floor is 11 yards wide. Floor length = 264/11 = 24 yards. User: Joel is laying pipe for a sprinkler system before he plants his lawn. The lawn is a rectangle, 15 feet long and 8 feet wide. He needs to lay a piece of pipe that will run along the diagonal of the lawn. It will divide the area of the lawn into two right triangles. What will be the length of the pipe? A. 289 feet B. 17 feet C. 120 feet D. 23 feet (More)
Updated 1/22/2023 7:31:31 AM
The length of the pipe is 17 feet. Solution: Joel is laying pipe for a sprinkler system before he plants his lawn. The lawn is a rectangle, 15 feet long and 8 feet wide. He needs to lay a piece of pipe that will run along the diagonal of the lawn. It will divide the area of the lawn into two right triangles. Using Pythagoras' theorem, (15 x 15) + (8 x 8) = the square on the hypotenuse (the diagonal). 225 + 64 = 289. The square root of 289 is 17. (17 x 17 = 289).
If the area of a circle is 58 square feet, find the circumference. A. 26.99 ft. B. 4.25 ft. C. 42.5 ft. D. 22.35 ft
Updated 10/14/2020 12:28:23 AM
If the area of a circle is 58 square feet, the circumference is 26.99 ft.
Solution: Area = pi *r^2 , 58 = 3.14 *r^2 , r^2 =58/3.14 =18.47 , r = 4.29 , Circumference =2 *pi *r = 2 *3.14 *4.29 = 26.99 ft.
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