Answer:
what is cos and sin ?
Step-by-step explanation:
Answer:
AD=2
Step-by-step explanation:
Answer:
the answer is (d) 57°
Step-by-step explanation:
since it's a straight angle it equals to 180°
you divide 180° from 123°
The equation for area of a triangle is A= 1/2bh so a=1/2(12cm)(9.6cm)