So first we have to subtract 3y from 21 cause the oppisit of addition which is subtraction so you get 18y when we divide that with -8y and get y=2.25y
The pair of triangle formed are congruent using the side-side-side congruency theorem.
<h3>What are
congruent triangles?</h3>
Two triangles are said to be congruent if they have the same shape and their corresponding sides are congruent.
Since the opposite sides of a parallelogram are congruent, if the parallelogram is cut through the diagonal, the pair of triangle formed are congruent using the side-side-side congruency theorem.
Find out more on congruent triangles at: brainly.com/question/2938476
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Answer:
Laxmi's age = 15
Step-by-step explanation:
Let's note down the data given in form of variables.
Laxmi's age = x
Laxmi's father's age = 3x + 4
= 49
Let us solve the equation for Laxmi's father's age.
3x + 4 = 49
3x = 49 - 4
3x = 45
x = 45 / 3
x = 15
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Answer:
angle ABC is 160°.........
