In an equilateral triangle of side 10 cm, equilateral triangles.... | Class 10 Board | CBSE 2026 SQP

Описание: In this video, I have solved the AP problem based on equilateral Triangles step by step, with full clarity and step-by-step explanation.
This AP word problem is taken from the CBSE Board's Sample question Paper 2025-26 and is perfect for revision and concept clarity.

Watch till the end for clear explanation, tricks, and exam tips!

#Class10Maths #CBSESQP #BoardExamPrep #WordProblems #MathsSolutions


📌 Question:
In an equilateral triangle of side 10 cm, equilateral triangles of side 1 cm are formed as shown in the figure below, such that there is one triangle in the first row, three triangles in the second row, five triangles in the third row and so on.
Based on given information, answer the following questions using Arithmetic Progression.
i. How many triangles will be there in bottom most row?
ii. How many triangles will be there in fourth row from the bottom?
iii. Find the total number of triangles of side 1 cm each till 8th row.
iv. How many more number of triangles are there from 5th to 10th row than in first 4 rows? Show working.
(Word Problem - CBSE Sample Question Paper - 2025-26)

🎯 Topics Covered:
Sample Question Paper
Row from bottom
Difference of sums

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equilateral triangle of side 10 cm, equilateral triangles of side 1 cm, are formed, such that there is, one triangle in the first row, three triangles, in the second row, five triangles in the third row, Based on given information, answer the following questions, using Arithmetic Progression, How many triangles will be there, in bottom most row, in fourth row from the bottom, total number of triangles, of side 1 cm each, till 8th row, triangles from 5th to 10th row, than in first 4 rows, Show working,

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