e· ExamHubTwo books · practice and explanations

Practice Test generator About us

Sign in Create account

Mathematics›Book 1›Chapter 2

Short answers

Plane geometry

Read the complete problem, then answer its numbered subtasks.

43 exercises

Choose an exercise

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 Exercise 8 Exercise 9 Exercise 10 Exercise 11 Exercise 12 Exercise 13 Exercise 14 Exercise 15 Exercise 16 Exercise 17 Exercise 18 Exercise 19 Exercise 20 Exercise 21 Exercise 22 Exercise 23 Exercise 24 Exercise 25 Exercise 26 Exercise 27 Exercise 28 Exercise 29 Exercise 30 Exercise 31 Exercise 32 Exercise 33 Exercise 34 Exercise 35 Exercise 36 Exercise 37 Exercise 38 Exercise 39 Exercise 40 Exercise 41 Exercise 42 Exercise 43

41 / 43

Exercise 41

Book 1 · Plane geometry

Open the book ↗

Շրջանագծին ներգծած $A B C D$ քառանկյան $B D$ անկյունագիծը կիսում է $B$ անկյունը և $A C$ անկյունագիծը հատում $E$ կետում: $B C = 20$ , $C D = 15$ , $C E = 12$ :

Subtask 1

Գտնել $A D$ կողմի երկարությունը:

Subtask 2

Գտնել $E D$ հատվածի երկարությունը:

Subtask 3

Գտնել $B C D$ անկյան աստիճանային չափը:

Subtask 4

Գտնել $A B C D$ քառանկյան մակերեսը:

209

← ← PreviousNext task →

Two books · practice and explanations Sign in to save your progress. Guest progress is not saved. © 2026 ExamHub · Created by: Gagik Grigyan, Koryun Gaboyan · About us · Terms of use · Cookie policy

ExamHub uses cookies for sign-in and temporary sessions. Only signed-in accounts save progress and preferences to our database. No advertising or tracking cookies. Learn more