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Vidaara.orgClass 6 · Mathematics
CodeVID-M6-00-CT
Area of Triangles & Parallelograms — Full Chapter Test
Chapter: Area of Triangles & Parallelograms
Topic: Complete chapter — all topics
Maximum Marks: 35
Time: 75 minutes
Name: ____________________ Roll No.: __________ Date: ____________

General Instructions

  • This is a full-length test covering the whole chapter — every topic is included.
  • All questions are compulsory.
  • Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
  • Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions 5 × 1 = 5 marks
1.
The area of a triangle is:
  • A.$b\times h$
  • B.$\tfrac12\times b\times h$
  • C.$b+h$
  • D.$2bh$
2.
The area of a parallelogram is:
  • A.$\tfrac12 bh$
  • B.$b\times h$
  • C.$b+h$
  • D.$2(b+h)$
3.
To find an irregular polygon's area, split it into:
  • A.points
  • B.known shapes
  • C.angles
  • D.lines
4.
For base $6$ and height $4$, the area is:
  • A.$10$
  • B.$12$
  • C.$24$
  • D.$14$
5.
The total area is the ___ of the parts.
  • A.product
  • B.sum
  • C.difference
  • D.average
Section B — Short Answer (2 marks) 4 × 2 = 8 marks
6.
Find the area: base $8$, height $5$.
7.
A figure splits into a $6$ and an $8$ sq-unit part. Find the total.
8.
Find the area: base $10$, height $6$.
9.
A shape is a $5\times4$ rectangle and a triangle of area $6$. Find the total.
Section C — Short Answer (3 marks) 4 × 3 = 12 marks
10.
Find the area of a triangle, base $14$ cm, height $9$ cm.
11.
Find the area of a parallelogram, base $15$, height $8$.
12.
An L-shape is an $8\times5$ rectangle with a $3\times2$ rectangle removed. Find the area.
13.
A triangle has area $54$ cm$^2$ and base $12$ cm. Find its height.
Section D — Long Answer (5 marks) 2 × 5 = 10 marks
14.
A triangular garden has base $20$ m and height $15$ m. Find its area and the cost of grassing at Rs $12$ per m$^2$.
15.
A parallelogram has base $18$ cm and height $11$ cm. Find its area.

Answer Key

Section A — Multiple Choice Questions
  1. (B) $\tfrac12\times b\times h$
  2. (B) $b\times h$
  3. (B) known shapes
  4. (B) $12$
  5. (B) sum
Section B — Short Answer (2 marks)
  1. $20$.
  2. $14$.
  3. $30$.
  4. $26$.
Section C — Short Answer (3 marks)
  1. $63$ cm$^2$.
  2. $120$.
  3. $34$.
  4. $9$ cm.
Section D — Long Answer (5 marks)
  1. Area $150$ m$^2$; cost Rs $1800$.
  2. $198$ cm$^2$.
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