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The lengths in cm of three sides of a triangle are three consecutive odd numbers. Knowing that the perimeter of the triangle is 39cm, find the length of the longest side of the triangle. Show your work.
in the triangle ABC, take the point M on BC such that BM=3MC.find the area of the triangle ACM if the area of the triangle ABC is 500 cm2
Lesson 1: Trapezoid sheet has a large bottom 2.8dm, baby bottom 1.6dm, height 0.8dm.a) Calculate the area of the cardboard?b) Cut a quarter of the area. Calculate the area of the cardboard remaining?Lesson 2: ABCD rectangle with DC length 27cm, AD 20.4cm. E is a point on AB. Calculate the area of the triangle ECD?Lesson 3: (HSKG): A trapezoidal field with a baby bottom 26m, the bottom is 8m lower than baby, the bottom is 6m lower. Average 100m2 harvested 70.5 kg paddy. How much is the field ha...
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Lesson 1: Trapezoid sheet has a large bottom 2.8dm, baby bottom 1.6dm, height 0.8dm.
a) Calculate the area of the cardboard?
b) Cut a quarter of the area. Calculate the area of the cardboard remaining?
Lesson 2: ABCD rectangle with DC length = 27cm, AD = 20.4cm. E is a point on AB. Calculate the area of the triangle ECD?
Lesson 3: (HSKG): A trapezoidal field with a baby bottom 26m, the bottom is 8m lower than baby, the bottom is 6m lower. Average 100m2 harvested 70.5 kg paddy. How much is the field harvested?
look at the following figure AF/AB=1/4; AE/AC=1/3. if the area of triangle GBD is 270m2 the the area of the triangle GCD is ... m2
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN
nhanh nhé, mk tick cho
a. The area of a trapezoid is 20m the larger base is 55dm and the smaller base is 45dm. Find the height of trapezoid.
b. Find the average of two bases of the trapezoid, known that: the area of trapezoid is 7 m2 and its height is 2m.
Câu 6:4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?Answer: There are liters(Write your answer as a decimal in the simplest form)Câu 7:Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?Answer: %Câu 8:A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectan...
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Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer: %
Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m
Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:
Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were kilograms
find the length of the height such that the rectangular parallelepiped is 12 cm long, 10 cm wide and the round area is 396 cm2 ?
1/- Look at the follwing figure AF/Ab=1/4 ; AB/AC=1/3 . If the area of triangle GBD is 270m2 then the area of the triangle GCD is ........ m2 ( có lời giải )