Question

Q12.What is the area of a triangle having base = 10 units and height 12 units? एकत्रिभुजकाक्षेत्रफलज्ञातकीजिएजिसकाआधारइकाई10 तथाउचाईइकाई12 है। (a) 45 sq. units(वर्गइकाई) (b) 50 sq. units(वर्गइकाई, (c) 65 sq. units(वर्गइकाई (d) 60 sq. units(वर्गइकाई)​

Answer 1

Answer:

60

1/2base×height

=1/2×10×12

=5×12=60

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The area of a triangle having base 10 units and height 12 units

(a) 45 sq. units

(b) 50 sq. units

(c) 65 sq. units

(d) 60 sq. units

EVALUATION

Here it is given that for the triangle

Base = 10 units

Height = 12 units

Hence the required area of the triangle

$\displaystyle \sf{ = \frac{1}{2} \times Base \times Height }$

$\displaystyle \sf{ = \frac{1}{2} \times 10 \times 12 \: \: \: units }$

$\displaystyle \sf{ = 60 \: \: \: units }$

FINAL ANSWER

Hence the correct option is (d) 60 sq. units

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