Question

pls show the process
1. Find the area of a rectangle of length 15 cm and breadth 12.5 cm.
2. Find the ratio between the largest two digit prime number and the 194.
3. Find the average of all multiples of 7 between 77 and 105.
4. Find the complementary angle for 55° 5. Find the supplementary angle for 65°.​

Answer 1

Answer:

I know the first ans

Step-by-step explanation:

L=15cm

B=12.5cm

Formula of area of a rectangle is A = L× B

= (15×12.5)cm =187.5 cm ²