824 just add all the sides so 12+12+400+400=824 and in simpler form w2+l2
Answer:
For a triangle to be equiangular all its three interior angles must be equal, that is, each angle should measure 60˚.
Step-by-step explanation:
Answer:
See below.
Step-by-step explanation:
There are 28 things in the jar, of which 7 are watermelon.
You pick one at random, the chance it is NOT watermelon would be 21/28.
This is equal to 75% and 3/4
Answer:
67/90
Step-by-step explanation:
no explanation
Answer:
area ≈ 6.3 units²
Step-by-step explanation:
Calculate the area (A ) of the sector as
A = area of circle × fraction of circle
= πr² × 
= π × 4² × 
= 16π ×
← cancel 8 and 16 by 8, leaving
A = 2π ≈ 6.3 units² ( to 1 dec. place )