Question

помогите пожалуйста дано: АВСД-параллелограмм АД-АВ=3 см периметр АВСД=24 см Найти:стороны параллелограмма

Answer 1

пусть АВ-х.а АД-у. периметр параллелограмма 2х+2у=24 след.х+у=12.у-х=3 система уравнений складываем почленно; у=7.5.след х=4.5

Answer 2

Given Information:

We are given that ABCD is a parallelogram, AD = AB = 3 cm, and the perimeter of ABCD is 24 cm. We need to find the lengths of the sides of the parallelogram.

Solution:

To find the lengths of the sides of the parallelogram, we can use the formula for the perimeter of a parallelogram:

Perimeter of a parallelogram = 2 * (AD + AB) Substituting the given values, we have:

24 cm = 2 * (3 cm + AB)

Simplifying the equation:

12 cm = 3 cm + AB

AB = 12 cm - 3 cm = 9 cm

Therefore, the length of side AB is 9 cm.

Since ABCD is a parallelogram, opposite sides are equal in length. Therefore, the length of side CD is also 9 cm.

Hence, the lengths of the sides of the parallelogram ABCD are: - AB = 9 cm - BC = CD = 9 cm - AD = 3 cm

Please let me know if you need any further assistance!