If the triangle were to be a square, it would be 20 by 20. 20 × 20 is 400. To find the triangle divide by 2. 400 ÷ 2 = 200. The area of the triangle is 200.
Answer:
-16
Step-by-step explanation:
did the math
Answer:
22 is C and I don't know 21
Some animals like bison eat only
Answer 145°
Step-by-step explanation:
( 5x+5 ) + 40° = 15x - 5
[ Reason : exterior extended angle of a triangle is always equal to the sum of two non adjacent interior angles ]
( 5x+5 ) + 40° = 15x - 5
i.e, x= 10°
put this value of x on <PGF
= 15x - 5
= 15 * 10 - 5
=145°