Question

the area of triangle with the base 12 cm and altitude 7.5 CM is. a)45cm. b)90cm. c)19.5cm. d)22cm​

Answer 1

Answer:

a) 45cm

Step-by-step explanation:

area of triangle = 1/2 × b × h

= 6 × 7.5

= 45 cm

Answer 2

Answer:

a) 45cm

Step-by-step explanation:

The formula for calculating the area of a triangle is----

$\frac{1}{2} \times hight \: \times base$

So the are is----

$\frac{1}{2} \times 7.5 \times 12 \\ = \frac{1}{2} \times \frac{75}{10} \times 12 \\ = 45$