1.
AB:
a² + b² = c²
'a' and 'b' are legs, while 'c' is the hypotenuse
3.6² + 5.2² = 12.96 + 27.04
c² = 40
c = √40
c ≈ 6.3
m∠A:
sine, cosine, tangent
soh -
![(opposite)/(hypotenuse)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/rt7pn6xj737o5vkvyd45c3tvp6uv2axdbt.png)
cah -
![(adjacent)/(hypotenuse)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/mw88bnhuabphnx8477y65bttxvsbhn3nnx.png)
toa -
![(opposite)/(adjacent)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/yrlrkg5107bgx4j2edwa224fmqqlf2z6tm.png)
∠a:
5.2 = opposite
6.3 = hypotenuse
= 0.825396...
x = sin^-1(0.825396)
x = 55.6 ≈ 56º
∠b:
90º + 56º = 146
180 - 146 = 34º
repeat for the rest of the problems