Question

find the area of the following . please tell please​

Answer 1

Step-by-step explanation:

a) base = 3.9cm

height = 4.1cm

area = 1/2 × base × height

= 1/2 × 3.9 × 4.1

= 7.995cm2

b) base = 7.8cm

height = 4cm

area = base × height

= 7.8 × 4

= 31.2cm2

Answer 2

Step-by-step explanation:

a)

area of triangle ABC= half into base into height

=( 1/2)(3.9)4.1/

=15.99/2

= 7.995cm²

b)

area of parallelogram is equal to base into height

=4*7.8

=31.2cm²