Mathematics, 19.03.2021 22:50 jhunruh6247
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The side of an equilateral triangle has a length of 5.4 m. The height of the triangle is approximately 4.7 m. What are the perimeter and area of this triangle? Round your answers to the nearest tenth.
perimeter: 16.2 m; area: 12.7 m2
perimeter: 10.1 m; area: 12.7 m2
perimeter: 16.2 m; area: 10.1 m2
Find the area of a parallelogram with b = 140 cm and h = 9.7 cm.
679 cm2
1,358 cm2
19,600 cm2
About how tall is a two-story building?
25 inches
6 inches
20 feet
Find the area of a triangle with base b and height h. Round your answer to the nearest hundredth if necessary.
b = 5.8 mi
h = 14.6 mi
84.68 mi2
169.36 mi2
42.34 mi2
Find the area of a triangle with base b and height h. Round your answer to the nearest hundredth if necessary.
b = 14.3 mi
h = 10.7 mi
153.01 mi2
76.51 mi2
57.25 mi2
Find the missing measures for the rectangle.
l = _?_
w = 2 cm
A = _?_
P = 25 cm
10.5 cm; 25 cm2
12.5 cm; 21 cm2
10.5 cm; 21 cm2
A rectangular fish pond is 21 ft2 in area. If the owner can surround the pond with a 20-foot fence, what are the dimensions of the pond?
3 ft by 7 ft
3.5 ft by 6 ft
3.5 ft by 7 ft
Which customary unit of measure would you use to estimate the perimeter of your classroom doorway?
centimeters
feet
inches
Find the area of a trapezoid with b1 = 13.8 cm, b2 = 16.8 cm, and h = 4 cm.
27.6 cm2
122.4 cm2
61.2 cm2
✨thank you✨
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Help please
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