1. EXERCISE 1.5
Find the determinant of the following matrices.
-1
-1 1
(i) A=
2 0
(ii) B =
1 3
2 -2
)
(iii) C=
3 2
3 2
(iv) D=
3 2
1 4​

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

answer: answer: d) v= 1/6 bh  

step-by-step explanation:

since according to the given question,   a pyramid is placed inside a prism.

step-by-step explanation:

step-by-step explanation:

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without