खालील विधानातील रिकाम्या जागा भरण्यासाठी दिलेल्या पर्यायांपैकी अचूक पर्याय निवडा: ΔABC मध्ये ∠A = 76°, ∠B = 48°, तर ∠C चे माप . . . . . . . . आहे.(A) 66°
(B) 56°
(C) 124°
(D) 28°
Answers
Answered by
11
खालील विधानातील रिकाम्या जागा भरण्यासाठी दिलेल्या पर्यायांपैकी अचूक पर्याय निवडा: ΔABC मध्ये ∠A = 76°, ∠B = 48°, तर ∠C चे माप ........ आहे.(A) 66°
(B) 56°
(C) 124°
(D) 28°
Question in English :
Choose the appropriate option and fill in the blank.
In ∆ ABC, ∠A = 76°, ∠B = 48°, then , ∠C = ?
(A) 66°
(B) 56°
(C) 124°
(D) 28°
Solution :
Sum of measures of all angles of a triangle is 180°.
∠A + ∠B + ∠C = 180°
76° + 48° + ∠C = 180°
∠C = 180° - 124°
∠C = 56°
Therefore, ∠C = 56°
Opt. (B) is the answer.
Answered by
10
खालील विधानातील रिकाम्या जागा भरण्यासाठी दिलेल्या पर्यायांपैकी अचूक पर्याय निवडा: ΔABC मध्ये ∠A = 76°, ∠B = 48°, तर ∠C चे माप . . . . . . . . आहे.
(A) 66°
(B) 56°
(C) 124°
(D) 28°
It's given that :-
/_A = 76°
/_B = 48°
And, we need to find :-
/_C = ?
So, here, we can use the Angle Sum Property of a triangle, which says that :-
The sum of all the angles of a triangle is always equal to 180°.
Using this property, we can write that :-
/_A + /_B + /_C = 180°
We are already given with the values of /_A and /_B. So, we can easily find the value of /_C. Put the given values, and then solve the formed equation :-
76° + 48° + /_C = 180°
=》 124° + /_C = 180°
=》 /_C = 180° - 124°
=》 /_C = 56°
°
tejas7686:
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